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National Geographic
4 days ago
- Science
- National Geographic
Use this ancient technique to remember (almost) anything
In Orlando, Florida, a dozen seniors gather in a YMCA twice a week. Some push walkers, others roll in on wheelchairs. After some light exercise and corny jokes, they get down to the real workout—flexing their memory muscles. Most are battling early-stage dementia, hoping to hold onto their memories a little longer. They're learning an ancient technique called the method of loci, which transforms any familiar space into a storage system for new information. Want to remember your grocery list? Link milk to your sister's senior photo in the living room—visually, and in a way that feels almost absurd. Maybe imagine it pouring out of her nose? Link apples to the window—a volley of Golden Delicious smashing through the pane. The Roman orator Cicero used the same method to memorize speeches two millennia ago. Today's competitive 'memory athletes' use it to cram thousands of data points into their brains. And now the ancient technique is helping people in surprising new ways —slowing cognitive decline, treating depression and PTSD, even aiding recovery from traumatic brain injury. As researchers are only just now discovering, this tool works in startlingly complementary ways with how our brains naturally function. The palace of the mind At the USA Memory Championship, seemingly ordinary people show off extraordinary recall. Competitors memorize hundreds of random words, dozens of strangers' life histories, and the order of shuffled card decks—all at lightning speed. These are the kinds of folks who might rattle off a thousand digits of pi without breaking a sweat. They all use variations on the method of loci, also known as the 'memory palace' or 'Roman room' method. The basics are straightforward: Make a mental map of a familiar place, then create associations between items and specific locations along a route. But is it easy? Not necessarily. The trick is using your imagination to make those mental connections memorable—the weirder, more vivid, and more outrageous, the better. Legend credits the method's invention to the ancient Greek poet Simonides of Ceos, who escaped a collapsing building in the fifth century B.C.E. As victims were pulled from rubble, Simonides identified them by remembering where each had sat around a banquet table. But indigenous cultures worldwide tapped into similar techniques long before. Native American pilgrimage trails, Australian Aboriginal songlines, and Pacific Islanders' ceremonial roads all follow a similar pattern: Elders would sing, dance, or tell stories at specific locations, making information stick by pairing information with location and context. 'It's shocking to me that this is so understudied when this was the dominant form of information storage for literally all of civilization, until the printing press,' says MIT neuroscientist Robert Ajemian, who has studied how the brain uses the method of loci. The event finalists are given instructions during the 2023 USA Memory Championship at Full Sail University, Winter Park, Florida. Photograph by Phanindra Pavuluri Why the memory palace works Neuroscience is catching up to what ancient cultures seemed to know instinctively. The method of loci taps our natural strengths in spatial navigation and visual memory—abilities that evolution has honed over thousands of generations. While almost no one is naturally great at remembering abstract information, like numbers or words, the human brain is built to remember what we've seen and where we've been. Recent brain-imaging studies show that using the method of loci creates more robust networks by linking multiple parts of the brain involved in memory: the prefrontal cortex, hippocampus, and visual cortex. Memory palace practitioners are literally rewiring their brains to be more efficient at memory. And after mastering the technique, they can develop elaborate systems of personalized imagery to represent, say, numbers, individual playing cards, or other hard-to-remember info. Despite their effectiveness, variations on the method of loci are neither widely taught nor widely researched, Ajemian says—much to his frustration. We've been too quick to dismiss it as a neat trick, he argues, instead of regarding it as a valuable learning tool that's sustained human knowledge for millennia. Perhaps nowhere is its potential more poignant than in the fight against dementia. New hope for aging minds For Michael Dottino, memory is the family business. His father founded the USA Memory Championship, and Michael trained businesspeople and students in memory techniques. Then the local Jewish Community Center asked him to try something new: develop a class for seniors with early-stage dementia. The Memory Institute program he created meets twice a week at the Dr. P. Phillips YMCA in Orlando. The four-hour sessions combine memory training with physical activity, social interaction, and cognitive exercises like using the method of loci. The goal, Dottino says, is to slow participants' rates of decline. Three years in, he finds the program's results encouraging. Some of the earliest participants are still showing up twice a week, keeping up the regimen. Dottino calls out one of them, Karen Vourvopoulos, who has retained all of her cognitive function. 'The class has given my mother a new lease on life,' says Matina Vourvopoulos, Karen's daughter. 'She's more energized, inspired, creative, and enthusiastic about life. I wish there was a Memory Institute for every senior in every community.' Clinical neuropsychologist Erica Weber is putting similar approaches through rigorous clinical trials. Memory programs are few and far between, she says, and patients often pay out of pocket. But if such strategies can be proven genuinely effective, insurance companies might start covering them. One current challenge, Weber says, is that the main sources of funding for rehabilitation research—the U.S. Department of Defense and the National Institute on Disability, Independent Living and Rehabilitation Research—are facing large cuts (and, in the latter case, outright elimination). But so far, the research looks promising. One massive study, funded by the National Institutes of Health, showed that cognitive training can help healthy older adults maintain and improve their mental skills. Though there's no need to wait until retirement age to put memory strategies like the method of loci to use. 'Try to practice using the strategies before you need to rely on them,' Weber advises. Think of it as a cognitive gym membership—better to start lifting mental weights before the muscle gets weak. Applications beyond aging Which is to say, seniors aren't the only ones who can benefit. Weber adapts the method of loci to help people with traumatic brain injuries—suffered in car accidents or falls, for example—to recover cognitive function. What she calls the modified Story Memory Technique breaks down memory palaces into simpler components, like transforming verbal information into mental imagery. The range of patients she works with keep expanding, including those suffering from multiple sclerosis, HIV-related cognitive impairment, and spinal cord injuries that impact brain function. Perhaps most intriguingly, mental health experts are exploring the memory palace as a therapy tool. People with depression or PTSD might create palaces filled with positive memories, mental refuges to revisit during tough times. The concept makes intuitive sense: if you can train your brain to efficiently store and retrieve any information using spatial memory, why not train it to access calm, positive states when you need them most? In our smartphone age, when we've outsourced so much memorization to Google and GPS, ancient mnemonics are reminders of what our remarkable brains can do. As MIT neuroscientist Ajemian puts it, engaging these techniques is 'fundamental cognitive exercise, in the same way that aerobics is fundamental physical exercise.' Our ancestors carried entire libraries in their heads. With a little practice, we can at least make sure to pick up the milk. This article is part of Your Memory, Rewired, a National Geographic exploration into the fuzzy, fascinating frontiers of memory science—including advice on how to make your own memory more powerful. Learn more.
San Francisco Chronicle
11-06-2025
- Science
- San Francisco Chronicle
Solstices brought Mayan communities together, using monuments shaped by science and religion – and kingly ambitions, too
Eds: This story was supplied by The Conversation for AP customers. The Associated Press does not guarantee the content. Gerardo Aldana, University of California, Santa Barbara (THE CONVERSATION) K'ahk' Uti' Witz' K'awiil knew his history. For 11 generations, the Mayan ruler's dynasty had ruled Copan, a city-state near today's border between Honduras and Guatemala. From the fifth century C.E. into the seventh century, scribes painted his ancestors' genealogies into manuscripts and carved them in stone monuments throughout the city. Around 650, one particular piece of architectural history appears to have caught his eye. Centuries before, village masons built special structures for public ceremonies to view the Sun – ceremonies that were temporally anchored to the solstices, like the one that will occur June 20, 2025. Building these types of architectural complexes, which archaeologists call 'E-Groups,' had largely fallen out of fashion by K'ahk' Uti' Witz' K'awiil's time. But aiming to realize his ambitious plans for his city, he seems to have found inspiration in these astronomical public spaces, as I've written about in my research on ancient Mayan hieroglyphically recorded astronomy. K'ahk' Uti' Witz' K'awiil's innovations are a reminder that science changes through discovery or invention – but also occasionally for personal or political purposes, particularly in the ancient world. E-Groups were first constructed in the Mayan region as early as 1000 B.C.E. The site of Ceibal, on the banks of the Pasión River in central Guatemala, is one such example. There, residents built a long, plastered platform bordering the eastern edge of a large plaza. Three structures were arranged along a north-south axis atop this platform, with roofs tall enough to rise above the rainforest floral canopy. Within the center of the plaza, to the west of the platform, they built a radially symmetric pyramid. From there, observers could follow sunrise behind and between the structures on the platform over the course of the year. At one level, the earliest E-Group complexes served very practical purposes. In Preclassic villages where these complexes have been found, like Ceibal, populations of several hundred to a few thousand lived on 'milpa' or 'slash-and-burn' farming techniques practices still maintained in pueblos throughout Mesoamerica today. Farmers chop down brush vegetation, then burn it to fertilize the soil. This requires careful attention to the rainy season, which was tracked in ancient times by following the position of the rising Sun at the horizon. Most of the sites in the Classic Mayan heartland, however, are located in flat, forested landscapes with few notable features along the horizon. Only a green sea of the floral canopy meets the eye of an observer standing on a tall pyramid. By punctuating the horizon, the eastern structures of E-Group complexes could be used to mark the solar extremes. Sunrise behind the northernmost structure of the eastern platform would be observed on the summer solstice. Sunrise behind the southernmost structure marked the winter solstice. The equinoxes could be marked halfway between, when the Sun rose due east. Scholars are still debating key factors of these complexes, but their religious significance is well attested. Caches of finely worked jade and ritual pottery reflect a cosmology oriented around the four cardinal directions, which may have coordinated with the E-Group's division of the year. Fading knowledge K'ahk' Uti' Witz' K'awiil's citizenry, however, would have been less attuned to direct celestial observations than their ancestors. By the seventh century, Mayan political organization had changed significantly. Copan had grown to as many as 25,000 residents, and agricultural technologies also changed to keep up. Cities of the Classic period practiced multiple forms of intensive agriculture that relied on sophisticated water management strategies, buffering the need to meticulously follow the horizon movement of the Sun. E-Group complexes continued to be built into the Classic period, but they were no longer oriented to sunrise, and they served political or stylistic purposes rather than celestial views. Such a development, I think, resonates today. People pay attention to the changing of the seasons, and they know when the summer solstice occurs thanks to a calendar app on their phones. But they probably don't remember the science: how the tilt of the Earth and its path around the Sun make it appear as though the Sun itself travels north or south along the eastern horizon. United through ritual During the mid-seventh century, K'ahk' Uti' Witz' K'awiil had developed ambitious plans for his city – and astronomy provided one opportunity to help achieve them. He is known today for his extravagant burial chamber, exemplifying the success he eventually achieved. This tomb is located in the heart of a magnificent structure, fronted by the 'Hieroglyphic Stairway ': a record of his dynasty's history that is one of the largest single inscriptions in ancient history. Eying opportunities to transform Copan into a regional power, K'ahk' Uti' Witz' K'awiil looked for alliances beyond his local nobility, and he reached out to nearby villages. Over the past century, several scholars, including me, have investigated the astronomical component to his plan. It appears that K'ahk' Uti' Witz' K'awiil commissioned a set of stone monuments or 'stelae,' positioned within the city and in the foothills of the Copan Valley, which tracked the Sun along the horizon. Like E-Group complexes, these monuments engaged the public in solar observations. Taken together, the stelae created a countdown to an important calendric event, orchestrated by the Sun. Back in the 1920s, archaeologist Sylvanus Morley noted that from Stela 12, to the east of the city, one could witness the Sun set behind Stela 10, on a foothill to the west, twice each year. Half a century later, archaeoastronomer Anthony Aveni recognized that these two sunsets defined 20-day intervals relative to the equinoxes and the zenith passage of the Sun, when shadows of vertical objects disappear. Twenty days is an important interval in the Mayan calendar and corresponds to the length of a 'month' in the solar year. My own research showed that the dates on several stelae also commemorate some of these 20-day interval events. In addition, they all lead up to a once-every-20-year event called a 'katun end.' K'ahk' Uti' Witz' K'awiil celebrated this katun end, setting his plans for regional hegemony in motion at Quirigua, a growing, influential city some 30 miles away. A round altar there carries an image of him, commemorating his arrival. The hieroglyphic text tells us that K'ahk' Uti' Witz' K'awiil 'danced' at Quirigua, cementing an alliance between the two cities. In other words, K'ahk' Uti' Witz' K'awiil's 'solar stelae' did more than track the Sun. The monuments brought communities together to witness astronomical events for shared cultural and religious experiences, reaching across generations. Coming together to appreciate the natural cycles that make life on Earth possible is something that – I hope – will never fade with fashion.
Yahoo
11-06-2025
- Science
- Yahoo
How was the wheel invented? Computer simulations reveal the unlikely birth of a world-changing technology nearly 6,000 years ago
Imagine you're a copper miner in southeastern Europe in the year 3900 B.C.E. Day after day you haul copper ore through the mine's sweltering tunnels. You've resigned yourself to the grueling monotony of mining life. Then one afternoon, you witness a fellow worker doing something remarkable. With an odd-looking contraption, he casually transports the equivalent of three times his body weight on a single trip. As he returns to the mine to fetch another load, it suddenly dawns on you that your chosen profession is about to get far less taxing and much more lucrative. What you don't realize: You're witnessing something that will change the course of history – not just for your tiny mining community, but for all of humanity. Despite the wheel's immeasurable impact, no one is certain as to who invented it, or when and where it was first conceived. The hypothetical scenario described above is based on a 2015 theory that miners in the Carpathian Mountains – now Hungary – first invented the wheel nearly 6,000 years ago as a means to transport copper ore. The theory is supported by the discovery of more than 150 miniaturized wagons by archaeologists working in the region. These pint-sized, four-wheeled models were made from clay, and their outer surfaces were engraved with a wickerwork pattern reminiscent of the basketry used by mining communities at the time. Carbon dating later revealed that these wagons are the earliest known depictions of wheeled transport to date. This theory also raises a question of particular interest to me, an aerospace engineer who studies the science of engineering design. How did an obscure, scientifically naive mining society discover the wheel, when highly advanced civilizations, such as the ancient Egyptians, did not? It has long been assumed that wheels evolved from simple wooden rollers. But until recently no one could explain how or why this transformation took place. What's more, beginning in the 1960s, some researchers started to express strong doubts about the roller-to-wheel theory. After all, for rollers to be useful, they require flat, firm terrain and a path free of inclines and sharp curves. Furthermore, once the cart passes them, used rollers need to be continually brought around to the front of the line to keep the cargo moving. For all these reasons, the ancient world used rollers sparingly. According to the skeptics, rollers were too rare and too impractical to have been the starting point for the evolution of the wheel. But a mine – with its enclosed, human-made passageways – would have provided favorable conditions for rollers. This factor, among others, compelled my team to revisit the roller hypothesis. The transition from rollers to wheels requires two key innovations. The first is a modification of the cart that carries the cargo. The cart's base must be outfitted with semicircular sockets, which hold the rollers in place. This way, as the operator pulls the cart, the rollers are pulled along with it. This innovation may have been motivated by the confined nature of the mine environment, where having to periodically carry used rollers back around to the front of the cart would have been especially onerous. The discovery of socketed rollers represented a turning point in the evolution of the wheel and paved the way for the second and most important innovation. This next step involved a change to the rollers themselves. To understand how and why this change occurred, we turned to physics and computer-aided engineering. To begin our investigation, we created a computer program designed to simulate the evolution from a roller to a wheel. Our hypothesis was that this transformation was driven by a phenomenon called 'mechanical advantage.' This same principle allows pliers to amplify a user's grip strength by providing added leverage. Similarly, if we could modify the shape of the roller to generate mechanical advantage, this would amplify the user's pushing force, making it easier to advance the cart. Our algorithm worked by modeling hundreds of potential roller shapes and evaluating how each one performed, both in terms of mechanical advantage and structural strength. The latter was used to determine whether a given roller would break under the weight of the cargo. As predicted, the algorithm ultimately converged upon the familiar wheel-and-axle shape, which it determined to be optimal. During the execution of the algorithm, each new design performed slightly better than its predecessor. We believe a similar evolutionary process played out with the miners 6,000 years ago. It is unclear what initially prompted the miners to explore alternative roller shapes. One possibility is that friction at the roller-socket interface caused the surrounding wood to wear away, leading to a slight narrowing of the roller at the point of contact. Another theory is that the miners began thinning out the rollers so that their carts could pass over small obstructions on the ground. Either way, thanks to mechanical advantage, this narrowing of the axle region made the carts easier to push. As time passed, better-performing designs were repeatedly favored over the others, and new rollers were crafted to mimic these top performers. Consequently, the rollers became more and more narrow, until all that remained was a slender bar capped on both ends by large discs. This rudimentary structure marks the birth of what we now refer to as 'the wheel.' According to our theory, there was no precise moment at which the wheel was invented. Rather, just like the evolution of species, the wheel emerged gradually from an accumulation of small improvements. This is just one of the many chapters in the wheel's long and ongoing evolution. More than 5,000 years after the contributions of the Carpathian miners, a Parisian bicycle mechanic invented radial ball bearings, which once again revolutionized wheeled transportation. Ironically, ball bearings are conceptually identical to rollers, the wheel's evolutionary precursor. Ball bearings form a ring around the axle, creating a rolling interface between the axle and the wheel hub, thereby circumventing friction. With this innovation, the evolution of the wheel came full circle. This example also shows how the wheel's evolution, much like its iconic shape, traces a circuitous path – one with no clear beginning, no end, and countless quiet revolutions along the way. This article is republished from The Conversation, a nonprofit, independent news organization bringing you facts and trustworthy analysis to help you make sense of our complex world. It was written by: Kai James, Georgia Institute of Technology Read more: Disaster evacuations can take much longer than people expect − computer simulations could help save lives and avoid chaos The horse bit and bridle kicked off ancient empires – a new giant dataset tracks the societal factors that drove military technology The mysterious biomechanics of riding – and balancing – a bicycle Kai James receives funding from The National Science Foundation.
Yahoo
30-05-2025
- Science
- Yahoo
Prime numbers, the building blocks of mathematics, have fascinated for centuries − now technology is revolutionizing the search for them
A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented prime numbers. Similarly, a clay tablet from 1800 B.C.E. inscribed with Babylonian numbers describes a number system built on prime numbers. As the Ishango bone, the Plimpton 322 tablet and other artifacts throughout history display, prime numbers have fascinated and captivated people throughout history. Today, prime numbers and their properties are studied in number theory, a branch of mathematics and active area of research today. Informally, a positive counting number larger than one is prime if that number of dots can be arranged only into a rectangular array with one column or one row. For example, 11 is a prime number since 11 dots form only rectangular arrays of sizes 1 by 11 and 11 by 1. Conversely, 12 is not prime since you can use 12 dots to make an array of 3 by 4 dots, with multiple rows and multiple columns. Math textbooks define a prime number as a whole number greater than one whose only positive divisors are only 1 and itself. Math historian Peter S. Rudman suggests that Greek mathematicians were likely the first to understand the concept of prime numbers, around 500 B.C.E. Around 300 B.C.E., the Greek mathematician and logician Euler proved that there are infinitely many prime numbers. Euler began by assuming that there is a finite number of primes. Then he came up with a prime that was not on the original list to create a contradiction. Since a fundamental principle of mathematics is being logically consistent with no contradictions, Euler then concluded that his original assumption must be false. So, there are infinitely many primes. The argument established the existence of infinitely many primes, however it was not particularly constructive. Euler had no efficient method to list all the primes in an ascending list. In the middle ages, Arab mathematicians advanced the Greeks' theory of prime numbers, referred to as hasam numbers during this time. The Persian mathematician Kamal al-Din al-Farisi formulated the fundamental theorem of arithmetic, which states that any positive integer larger than one can be expressed uniquely as a product of primes. From this view, prime numbers are the basic building blocks for constructing any positive whole number using multiplication – akin to atoms combining to make molecules in chemistry. Prime numbers can be sorted into different types. In 1202, Leonardo Fibonacci introduced in his book 'Liber Abaci: Book of Calculation' prime numbers of the form (2p - 1) where p is also prime. Today, primes in this form are called Mersenne primes after the French monk Marin Mersenne. Many of the largest known primes follow this format. Several early mathematicians believed that a number of the form (2p – 1) is prime whenever p is prime. But in 1536, mathematician Hudalricus Regius noticed that 11 is prime but not (211 - 1), which equals 2047. The number 2047 can be expressed as 11 times 89, disproving the conjecture. While not always true, number theorists realized that the (2p - 1) shortcut often produces primes and gives a systematic way to search for large primes. The number (2p – 1) is much larger relative to the value of p and provides opportunities to identify large primes. When the number (2p - 1) becomes sufficiently large, it is much harder to check whether (2p - 1) is prime – that is, if (2p - 1) dots can be arranged only into a rectangular array with one column or one row. Fortunately, Édouard Lucas developed a prime number test in 1878, later proved by Derrick Henry Lehmer in 1930. Their work resulted in an efficient algorithm for evaluating potential Mersenne primes. Using this algorithm with hand computations on paper, Lucas showed in 1876 that the 39-digit number (2127 - 1) equals 170,141,183,460,469,231,731,687,303,715,884,105,727, and that value is prime. Also known as M127, this number remains the largest prime verified by hand computations. It held the record for largest known prime for 75 years. Researchers began using computers in the 1950s, and the pace of discovering new large primes increased. In 1952, Raphael M. Robinson identified five new Mersenne primes using a Standard Western Automatic Computer to carry out the Lucas-Lehmer prime number tests. As computers improved, the list of Mersenne primes grew, especially with the Cray supercomputer's arrival in 1964. Although there are infinitely many primes, researchers are unsure how many fit the type (2p - 1) and are Mersenne primes. By the early 1980s, researchers had accumulated enough data to confidently believe that infinitely many Mersenne primes exist. They could even guess how often these prime numbers appear, on average. Mathematicians have not found proof so far, but new data continues to support these guesses. George Woltman, a computer scientist, founded the Great Internet Mersenne Prime Search, or GIMPS, in 1996. Through this collaborative program, anyone can download freely available software from the GIMPS website to search for Mersenne prime numbers on their personal computers. The website contains specific instructions on how to participate. GIMPS has now identified 18 Mersenne primes, primarily on personal computers using Intel chips. The program averages a new discovery about every one to two years. Luke Durant, a retired programmer, discovered the current record for the largest known prime, (2136,279,841 - 1), in October 2024. Referred to as M136279841, this 41,024,320-digit number was the 52nd Mersenne prime identified and was found by running GIMPS on a publicly available cloud-based computing network. This network used Nvidia chips and ran across 17 countries and 24 data centers. These advanced chips provide faster computing by handling thousands of calculations simultaneously. The result is shorter run times for algorithms such as prime number testing. The Electronic Frontier Foundation is a civil liberty group that offers cash prizes for identifying large primes. It awarded prizes in 2000 and 2009 for the first verified 1 million-digit and 10 million-digit prime numbers. Large prime number enthusiasts' next two challenges are to identify the first 100 million-digit and 1 billion-digit primes. EFF prizes of US$150,000 and $250,000, respectively, await the first successful individual or group. Eight of the 10 largest known prime numbers are Mersenne primes, so GIMPS and cloud computing are poised to play a prominent role in the search for record-breaking large prime numbers. Large prime numbers have a vital role in many encryption methods in cybersecurity, so every internet user stands to benefit from the search for large prime numbers. These searches help keep digital communications and sensitive information safe. This article is republished from The Conversation, a nonprofit, independent news organization bringing you facts and trustworthy analysis to help you make sense of our complex world. It was written by: Jeremiah Bartz, University of North Dakota Read more: Planning the best route with multiple destinations is hard even for supercomputers – a new approach breaks a barrier that's stood for nearly half a century Why does nature create patterns? A physicist explains the molecular-level processes behind crystals, stripes and basalt columns Art and science illuminate the same subtle proportions in tree branches Jeremiah Bartz owns shares in Nvidia.
The Wire
29-05-2025
- Politics
- The Wire
Ali Khan Mahmudabad Has Fulfilled the Task of a Political Scientist
Menu हिंदी తెలుగు اردو Home Politics Economy World Security Law Science Society Culture Editor's Pick Opinion Support independent journalism. Donate Now Politics Ali Khan Mahmudabad Has Fulfilled the Task of a Political Scientist Neera Chandhoke 4 minutes ago Ali has been penalised because our society has been taught to distrust intellectuals. It should realise that intellectuals are the lifeblood of our society because they advocate the thinking human being. Illustration: Pariplab Chakraborty Real journalism holds power accountable Since 2015, The Wire has done just that. But we can continue only with your support. Contribute now On May 29, 2025, the Supreme Court extended the interim bail granted to the political scientist Ali Khan Mahmudabad till the third week of July. He had been arrested on May 18, because a couple of people finding his social media posts during Operation Sindoor objectionable had filed first information reports against him. Initially, the court had instructed him not to post any opinion related to the events preceding and during the Operation. A day ago, these restrictions were reiterated. 'We do not want him to run a parallel commentary on the issues under investigation,' stated the honourable Supreme Court. Many learned commentaries have been published on The Wire on the legal and political implications of the arrest of Mahmudabad. It is perhaps time to ask some fundamental questions of the entire issue, because they relate to the way we think and conceive of our right to freedom, and the way it is threatened by coercive politics in the country. Plato's Apology – 'apologia' in Greek stands for defence speech – represents the trial of Socrates conducted in 399 B.C.E. When he is accused of practicing subversive modes of philosophy known as Socratic questioning, Socrates stands before the jury of wise men in ancient Athens raising significant philosophical issues. His accusers allege that the method 'makes the worse argument the stronger' and 'corrupts the young'. Socrates asks the jurors a loaded question. What, he asks, 'do I deserve to suffer or to pay because I have deliberately not led a quiet life?' 'I did not follow the path that would have made me of no use either to you or to myself, but I went to each of you privately and conferred upon him what I say is the greatest benefit, by trying to persuade him not to care for any of his belongings before caring that he himself should be as good and as wise as possible, not to care for the city's possessions more that for the city itself, and to care for other things in the same way. What do I deserve for being such a man?' 'What do I deserve for being a such a man?' This question can be asked by, and on behalf of Ali Khan Mahmudabad of the political science department in Ashoka University. What has he said that any sane, rational human being will not believe in? That war is evil. Prime Minister Narendra Modi had famously said to President Vladimir Putin of Russia that this is not an era for war. May I with full respect remind the prime minister that there never can be an era for war. War devastates, it kills babies, it destroys cities and villages, it demolishes hospitals and houses, it annihilates the environment for decades to come, it is the ultimate curse that can befall a people. We just have to look at our screens to see what military aggression has done to Palestine and Ukraine, how many lives have been destroyed, how many psyches have been deranged, how many people have been denied basic goods like drinking water, food, and medicines, and how they died hungry, tired, and exhausted. Do we really have to be told what horror has been unleashed by war? When Ali foregrounded the dangers of war in his social media post, he was warning hotheads who have been baying for blood to not defend war as it is the ultimate dreadfulness that confronts human beings. Whose interests are served by war? The poet Amrita Syam scripts an imaginary conversation between Subhadra, one of the wives of the hero of Kurukshetra, Arjuna, and Krishna in the poem Kurukshetra. Fought in the name of justice, the human costs of the war were unimaginable. Generations were wiped out as two branches of a family confronted each other over property. Subhadra whose young son Abhimanyu was brutally slain asks Krishna to account for these losses: The war was, after all, a fight for a kingdom Of what use is a crown all your heirs are dead When all the young men have gone …And who will rule this kingdom So dearly won by blood A handful of old men A cluster of torn hopes and thrown away dreams. The poem should make us think. What is society left with when the grisly play of violence is over? Yudhishtir is convulsed with grief. What he, wonders, in volume eight of the Mahabharata, is the value of power, if the path to this goal is drenched with the blood of his own people? 'This heavy grief however is sitting in my heart, that through covetousness I have caused this dreadful carnage of kinsmen'. Ali reminded us of these costs when he spoke against war. He is a political scientist, and the task of a political scientist is to remind young people that there is a world we should strive for, a world of values, a world of humaneness, a world of solidarity, and a world without war. This the task of the social scientist and of humanities, to teach students to think beyond the foolishness of rabid nationalism towards a world of civility and of civilisation. This is the obligation of the political scientist. And I speak as a political scientist. A university without the humanities [and social sciences] wrote the celebrated Marxist literary critic, Terry Eagleton, is like a bar without beer. Without these two academic components, we will not have universities, we will have technical training institutes. Ali was writing as a political scientist, but above all as an Indian citizen who was concerned about the effect of warmongering on our society and our country. Listen to the message, do not shoot the messenger. Is our country so fragile? One of the two cases filed against Ali by a BJP functionary is on the basis of his post in which he urged his fellow citizens to also feel for minorities who have been lynched. So, one Yogesh Jatheri complained that Ali's post promoted hatred, was prejudicial to national integration, and endangered the sovereignty of the country. Really? The sovereignty of a great country like India is going to be compromised by a social media post? The mind boggles. Is our country so fragile? I would request professional filers of complaints against this or that sane and eminently reasonable academic, to remember our history and understand what our constitution is about. Even as independence came to India drenched in blood spilled by the Partition, the Constituent Assembly, which had met in December 1946, was drafting a constitution for the country. The Partition raised fresh challenges to the project of social and political transformation. Cavalcades of Hindus left from what had become Pakistan for India. Caravans of Muslims left India for a newly minted Pakistan. A substantial number stayed behind in the home of their ancestors. Also read: The Lost Art of Thinking in an Age of Manufactured Outrage Consider the mammoth task confronting the assembly. Indians who had been divided along the lines of politicised religion had now to accept each other as fellow citizens in a democratic political community that was being fashioned by the Constitution. They had descended to the lowest level of humanity during the Partition of the country. Utter chaos in northern and eastern India had begun to resemble Thomas Hobbes' state of nature; war of all against all. But the solution that Hobbes proposed in his 1651 Leviathan, a powerful state, was simply not enough. Society had to be transformed and social relations had to reworked and strengthened. The makers of the constitution had to introduce a modicum of sanity in a society that had been wracked by insanity. A new society had to be created out of the wreckage of the old, it had to cluster around norms that were as far removed from religious mobilisation and enmity that marked pre-partition and partition days of the 1940s, as possible. The political community had to be reinvented. Seeking to lay down principles that could serve as the fulcrum of a democratic political .community, the makers of the constitution institutionalised the normative precepts of political theory-freedom, equality, justice, and fraternity or solidarity. These principles had to bring Indians together on issues that concerned themselves and their fellow citizens. And progressive poets tried their best to further this project. In 1961, Sahir Ludhianvi, writing the lyrics for B.R Chopra's Dharamputra (1961) which was directed by Yash Chopra, and in which N. Dutta gave the musical score, asked a significant and shattering question in: ' Yeh kiska lahu hai, kaun mara? '. Whose blood is this? Who died? The moment we ask this question we realise the promise of fraternity in the Preamble of the constitution. The makers of the constitution, many of whom were well versed in political liberalism were aware that democracy falters if people do not care about others, about their ill health or poverty, or who do not raise their voices if a particular community is subjected to rampant injustice and the rest are indifferent. Without fraternity we remain a mere bunch of individualised self-interested rights bearers. Without fraternity, we continue to live in Thomas Hobbes's state of nature, isolated and cut off from civic virtues that complete us as human beings. Fraternity enables us to come together in networks of shared concerns and establishes a dialogical relationship with our fellow citizens so that we can think out the distinction between what is and what can be. This is what Ali was reminding us of. He reminded us of the Preamble of the constitution. Was he therefore arrested for upholding the constitution? Let me end by returning to Socrates' defence. 'Perhaps someone might say: But Socrates, if you leave us will you not be able to live quietly, without talking?' Socrates' reply is memorable. 'Now this is the most difficult point on which to convince some of you' he said. 'If I say that it is impossible for me to keep quiet because this means disobeying the god, you will not believe me and will think I am being ironical. On the other hand, if I say that is the greatest good for a man to discuss virtue every day and those other things about which you hear me conversing and testing myself and others, for the unexamined life is not worth living for men, you will believe me even less.' But examining our lives means that we must learn to think. We however live in an environment that dissuades and discourages thinking. This is perhaps understandable from the perspective of the ruling class. For as Julius Caesar remarked in Shakespeare's immortal play bearing the same name: 'Let me have men about me that are fat; Sleek-headed men, and such as sleep o' nights: Yon Cassius has a lean and hungry look; He thinks too much: such men are dangerous.' Ali has been penalised because our society has been taught to distrust intellectuals. It should realise that intellectuals are the lifeblood of our society because they advocate the thinking human being. 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