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Suborbital space tourism finally arrives | FCC prepares to run public C-band auction | The big four in the U.S. launch industry — United Launch Alliance, SpaceX, Blue Origin and Northrop Grumman — hope to be one of two providers that will receive five-year contracts later this year to launch national security payloads starting in 2022. | China’s launch rate stays high | The International Space Station is the largest ever crewed object in space.

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Mixing beats, history, and technology

February 17, 2025

In a classroom on the third floor of the MIT Media Lab, it’s quiet; the disc jockey is setting up. At the end of a conference table ringed with chairs, there are two turntables on either side of a mixer and a worn crossfader. A MacBook sits to the right of the setup. Today’s class — CMS.303/803/21M.365 (DJ History, Technique, and Technology) — takes students to the 1970s, which means disco, funk, rhythm and blues, and the breaks that...

Body of knowledge

February 14, 2025

Inside MIT’s Zesiger Sports and Fitness Center, on the springy blue mat of the gymnastics room, an unconventional anatomy lesson unfolded during an October meeting of class STS.024/CMS.524 (Thinking on Your Feet: Dance as a Learning Science). Supported by a grant from the MIT Center for Art, Science & Technology (CAST), Thinking on Your Feet was developed and offered for the first time in Fall 2024 by Jennifer S. Light, the Bern Dibner Professor of the History of Science...

AI model deciphers the code in proteins...

February 13, 2025

Proteins are the workhorses that keep our cells running, and there are many thousands of types of proteins in our cells, each performing a specialized function. Researchers have long known that the structure of a protein determines what it can do. More recently, researchers are coming to appreciate that a protein’s localization is also critical for its function. Cells are full of compartments that help to organize their many denizens. Along with the well-known organelles that adorn the pages...

Pivot Bio is using microbial nitrogen to...

February 13, 2025

The Haber-Bosch process, which converts atmospheric nitrogen to make ammonia fertilizer, revolutionized agriculture and helped feed the world’s growing population, but it also created huge environmental problems. It is one of the most energy-intensive chemical processes in the world, responsible for 1-2 percent of global energy consumption. It also releases nitrous oxide, a potent greenhouse gas that harms the ozone layer. Excess nitrogen also routinely runs off farms into waterways, harming marine life and polluting groundwater. In place of...

Engineers enable a drone to determine its...

February 13, 2025

In the future, autonomous drones could be used to shuttle inventory between large warehouses. A drone might fly into a semi-dark structure the size of several football fields, zipping along hundreds of identical aisles before docking at the precise spot where its shipment is needed. Most of today’s drones would likely struggle to complete this task, since drones typically navigate outdoors using GPS, which doesn’t work in indoor environments. For indoor navigation, some drones employ computer vision or lidar,...

MIT engineers develop a fully 3D-printed electrospray...

February 12, 2025

An electrospray engine applies an electric field to a conductive liquid, generating a high-speed jet of tiny droplets that can propel a spacecraft. These miniature engines are ideal for small satellites called CubeSats that are often used in academic research. Since electrospray engines utilize propellant more efficiently than the powerful, chemical rockets used on the launchpad, they are better suited for precise, in-orbit maneuvers. The thrust generated by an electrospray emitter is tiny, so electrospray engines typically use an...

Gift from Sebastian Man ’79, SM ’80...

February 11, 2025

The MIT Stephen A. Schwarzman College of Computing has received substantial support for its striking new headquarters on Vassar Street in Cambridge, Massachusetts. A major gift from Sebastian Man ’79, SM ’80 will be recognized with the naming of a key space in the building, enriching the academic and research activities of the MIT Schwarzman College of Computing and MIT. Man, the first major donor to support the building since Stephen A. Schwarzman’s foundational gift established the Schwarzman College...

Bridging philosophy and AI to explore computing...

February 11, 2025

During a meeting of class 6.C40/24.C40 (Ethics of Computing), Professor Armando Solar-Lezama poses the same impossible question to his students that he often asks himself in the research he leads with the Computer Assisted Programming Group at MIT: “How do we make sure that a machine does what we want, and only what we want?” At this moment, what some consider the golden age of generative AI, this may seem like an urgent new question. But Solar-Lezama, the Distinguished Professor...

To keep hardware safe, cut out the...

February 11, 2025

Imagine you’re a chef with a highly sought-after recipe. You write your top-secret instructions in a journal to ensure you remember them, but its location within the book is evident from the folds and tears on the edges of that often-referenced page. Much like recipes in a cookbook, the instructions to execute programs are stored in specific locations within a computer’s physical memory. The standard security method — referred to as “address space layout randomization” (ASLR) — scatters this...

Creating smart buildings with privacy-first sensors

February 11, 2025

Gaining a better understanding of how people move through the spaces where they live and work could make those spaces safer and more sustainable. But no one wants cameras watching them 24/7. Two former Media Lab researchers think they have a solution. Their company, Butlr, offers places like skilled nursing facilities, offices, and senior living communities a way to understand how people are using buildings without compromising privacy. Butlr uses low-resolution thermal sensors and an analytics platform to help...

Puzzling out climate change

February 10, 2025

Shreyaa Raghavan’s journey into solving some of the world’s toughest challenges started with a simple love for puzzles. By high school, her knack for problem-solving naturally drew her to computer science. Through her participation in an entrepreneurship and leadership program, she built apps and twice made it to the semifinals of the program’s global competition. Her early successes made a computer science career seem like an obvious choice, but Raghavan says a significant competing interest left her torn. “Computer science...

Can deep learning transform heart failure prevention?

February 10, 2025

The ancient Greek philosopher and polymath Aristotle once concluded that the human heart is tri-chambered and that it was the single most important organ in the entire body, governing motion, sensation, and thought. Today, we know that the human heart actually has four chambers and that the brain largely controls motion, sensation, and thought. But Aristotle was correct in observing that the heart is a vital organ, pumping blood to the rest of the body to reach other vital...

Engineering joy

February 9, 2025

When the late professor emeritus Woodie Flowers SM ’68, MEng ’71, PhD ’73 was a student at MIT, most of his classes involved paper-and-pencil exercises with predetermined solutions. Flowers had an affinity for making things, and for making them work. When he transitioned from student to teacher, he chose to carry this approach into his method of instruction and, in doing so, he helped change the way engineering students are educated — at MIT, and around the world. Flowers...

Creating a common language

February 7, 2025

A lot has changed in the 15 years since Kaiming He was a PhD student. “When you are in your PhD stage, there is a high wall between different disciplines and subjects, and there was even a high wall within computer science,” He says. “The guy sitting next to me could be doing things that I completely couldn’t understand.” In the seven months since he joined the MIT Schwarzman College of Computing as the Douglas Ross (1954) Career Development...

Validation technique could help scientists make more...

February 7, 2025

Should you grab your umbrella before you walk out the door? Checking the weather forecast beforehand will only be helpful if that forecast is accurate. Spatial prediction problems, like weather forecasting or air pollution estimation, involve predicting the value of a variable in a new location based on known values at other locations. Scientists typically use tried-and-true validation methods to determine how much to trust these predictions. But MIT researchers have shown that these popular validation methods can fail...

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