The Rational Bull Elk

The Rational Bull Elk

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I watch a lot of nature documentaries. I’m not very choosy about the animals covered, whether whales, moles, lions, ants, chameleons, blowfish, or mosquitoes. I’m even fascinated by footage of bacteria under a microscope. I’m usually immersed as I sit in front of my large-screen television, so long as I learn something about the intricacies of the species filmed in vibrant colors. What do they eat and how do they avoid being eaten? What are their life expectancies, […]

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From Transformers to Associative Memory, How Titans and MIRAS Rethink Long Context Modeling

From Transformers to Associative Memory, How Titans and MIRAS Rethink Long Context Modeling

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What comes after Transformers? Google Research is proposing a new way to give sequence models usable long term memory with Titans and MIRAS, while keeping training parallel and inference close to linear. Titans is a concrete architecture that adds a deep neural memory to a Transformer style backbone. MIRAS is a general framework that views most modern sequence models as instances of online optimization over an associative memory. Why Titans and MIRAS? Standard Transformers use attention over a […]

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A faster problem-solving tool that guarantees feasibility

A faster problem-solving tool that guarantees feasibility

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Managing a power grid is like trying to solve an enormous puzzle. Grid operators must ensure the proper amount of power is flowing to the right areas at the exact time when it is needed, and they must do this in a way that minimizes costs without overloading physical infrastructure. Even more, they must solve this complicated problem repeatedly, as rapidly as possible, to meet constantly changing demand. To help crack this consistent conundrum, MIT researchers developed a […]

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F.A Hayek: Education Is an Obligation, Not a Right

F.A Hayek: Education Is an Obligation, Not a Right

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Friedrich A. Hayek Is there a right to education? Even in today’s polarized political environment in the United States, the overwhelming majority of citizens think there is such a right, and many hold that it applies through the completion of college.1 Every one of the fifty state constitutions includes language providing for free public education, although the language of rights is not explicitly cited. But to Friedrich Hayek, such expressions reveal confusion about both what rights are and […]

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Welcome to Tariff Complexity Hell

Welcome to Tariff Complexity Hell

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Scott Lincicome Looking back on this year (as one does in December), there’s been an undeniably huge amount of virtual ink—from Capitolism and everyone else—devoted to U.S. tariff policy. This, of course, is perfectly understandable given the major recent changes to said policy, the tariffs’ substantial economic, political, and diplomatic implications, and the fact that a certain president can’t stop talking about all of it. Indeed, with average U.S. tariff rates now having reached historically high levels via […]

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Robots that spare warehouse workers the heavy lifting

Robots that spare warehouse workers the heavy lifting

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There are some jobs human bodies just weren’t meant to do. Unloading trucks and shipping containers is a repetitive, grueling task — and a big reason warehouse injury rates are more than twice the national average. The Pickle Robot Company wants its machines to do the heavy lifting. The company’s one-armed robots autonomously unload trailers, picking up boxes weighing up to 50 pounds and placing them onto onboard conveyor belts for warehouses of all types. The company name, […]

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New control system teaches soft robots the art of staying safe

New control system teaches soft robots the art of staying safe

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Imagine having a continuum soft robotic arm bend around a bunch of grapes or broccoli, adjusting its grip in real time as it lifts the object. Unlike traditional rigid robots that generally aim to avoid contact with the environment as much as possible and stay far away from humans for safety reasons, this arm senses subtle forces, stretching and flexing in ways that mimic more of the compliance of a human hand. Its every motion is calculated to […]

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AI and machine learning for engineering design

AI and machine learning for engineering design

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Artificial intelligence optimization offers a host of benefits for mechanical engineers, including faster and more accurate designs and simulations, improved efficiency, reduced development costs through process automation, and enhanced predictive maintenance and quality control. “When people think about mechanical engineering, they’re thinking about basic mechanical tools like hammers and … hardware like cars, robots, cranes, but mechanical engineering is very broad,” says Faez Ahmed, the Doherty Chair in Ocean Utilization and associate professor of mechanical engineering at MIT. “Within mechanical […]

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New algorithms enable efficient machine learning with symmetric data

New algorithms enable efficient machine learning with symmetric data

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If you rotate an image of a molecular structure, a human can tell the rotated image is still the same molecule, but a machine-learning model might think it is a new data point. In computer science parlance, the molecule is “symmetric,” meaning the fundamental structure of that molecule remains the same if it undergoes certain transformations, like rotation. If a drug discovery model doesn’t understand symmetry, it could make inaccurate predictions about molecular properties. But despite some empirical […]

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