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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.

Everything is a Brand

Using spatial learning to transform math and...

October 17, 2024

Legend has it that Isaac Newton was sitting under a tree when an apple fell on his head, sparking a bout of scientific thinking that led to the theory of gravity. It’s one of the most famous stories in science, perhaps because it shows the power of simple human experiences to revolutionize our understanding of the world around us. About five years ago, Anurupa Ganguly ’07, MNG ’09 noticed kids don’t learn that way in schools. “Students should learn...

Combining next-token prediction and video diffusion in...

October 16, 2024

In the current AI zeitgeist, sequence models have skyrocketed in popularity for their ability to analyze data and predict what to do next. For instance, you’ve likely used next-token prediction models like ChatGPT, which anticipate each word (token) in a sequence to form answers to users’ queries. There are also full-sequence diffusion models like Sora, which convert words into dazzling, realistic visuals by successively “denoising” an entire video sequence. Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL)...

Equipping doctors with AI co-pilots

October 16, 2024

Most doctors go into medicine because they want to help patients. But today’s health care system requires that doctors spend hours each day on other work — searching through electronic health records (EHRs), writing documentation, coding and billing, prior authorization, and utilization management — often surpassing the time they spend caring for patients. The situation leads to physician burnout, administrative inefficiencies, and worse overall care for patients. Ambience Healthcare is working to change that with an AI-powered platform that automates routine tasks...

MIT team takes a major step toward...

October 15, 2024

Active electronics — components that can control electrical signals — usually contain semiconductor devices that receive, store, and process information. These components, which must be made in a clean room, require advanced fabrication technology that is not widely available outside a few specialized manufacturing centers. During the Covid-19 pandemic, the lack of widespread semiconductor fabrication facilities was one cause of a worldwide electronics shortage, which drove up costs for consumers and had implications in everything from economic growth to national...

Tiny magnetic discs offer remote brain stimulation...

October 11, 2024

Novel magnetic nanodiscs could provide a much less invasive way of stimulating parts of the brain, paving the way for stimulation therapies without implants or genetic modification, MIT researchers report. The scientists envision that the tiny discs, which are about 250 nanometers across (about 1/500 the width of a human hair), would be injected directly into the desired location in the brain. From there, they could be activated at any time simply by applying a magnetic field outside the...

A new method makes high-resolution imaging more...

October 11, 2024

A classical way to image nanoscale structures in cells is with high-powered, expensive super-resolution microscopes. As an alternative, MIT researchers have developed a way to expand tissue before imaging it — a technique that allows them to achieve nanoscale resolution with a conventional light microscope. In the newest version of this technique, the researchers have made it possible to expand tissue 20-fold in a single step. This simple, inexpensive method could pave the way for nearly any biology lab...

Mixing joy and resolve, event celebrates women...

October 10, 2024

For two days at The Picower Institute for Learning and Memory at MIT, participants in the Kuggie Vallee Distinguished Lectures and Workshops celebrated the success of women in science and shared strategies to persist through, or better yet dissipate, the stiff headwinds women still face in the field. “Everyone is here to celebrate and to inspire and advance the accomplishments of all women in science,” said host Li-Huei Tsai, Picower Professor in the Department of Brain and Cognitive Sciences...

Uplifting West African communities, one cashew at...

October 10, 2024

Ever wonder how your favorite snack was sourced? Joshua Reed-Diawuoh thinks more people should. Reed-Diawuoh MBA ’20 is the founder and CEO of GRIA Food Company, which partners with companies that ethically source and process food in West Africa to support local food economies and help communities in the region more broadly. “It’s very difficult for these agribusinesses and producers to start sustainable businesses and build up that value chain in the area,” says Reed-Diawuoh, who started the company...

Jane-Jane Chen: A model scientist who inspires...

October 9, 2024

Growing up in Taiwan, Jane-Jane Chen excelled at math and science, which, at that time, were promoted heavily by the government, and were taught at a high level. Learning rudimentary English as well, the budding scientist knew she wanted to come to the United States to continue her studies, after she earned a bachelor of science in agricultural chemistry from the National Taiwan University in Taipei. But the journey to becoming a respected scientist, with many years of notable...

MIT Energy and Climate Club mobilizes future...

October 9, 2024

One of MIT’s missions is helping to solve the world’s greatest problems — with a large focus on one of the most pressing topics facing the world today, climate change.The MIT Energy and Climate Club, (MITEC) formerly known as the MIT Energy Club, has been working since 2004 to inform and educate the entire MIT community about this urgent issue and other related matters. MITEC, one of the largest clubs on campus, has hundreds of active members from every...

The changing geography of “energy poverty”

October 9, 2024

A growing portion of Americans who are struggling to pay for their household energy live in the South and Southwest, reflecting a climate-driven shift away from heating needs and toward air conditioning use, an MIT study finds. The newly published research also reveals that a major U.S. federal program that provides energy subsidies to households, by assigning block grants to states, does not yet fully match these recent trends. The work evaluates the “energy burden” on households, which reflects...

Institute Professor Emeritus John Little, a founder...

October 9, 2024

MIT Institute Professor Emeritus John D.C. Little ’48, PhD ’55, an inventive scholar whose work significantly influenced operations research and marketing, died on Sept. 27, at age 96. Having entered MIT as an undergraduate in 1945, he was part of the Institute community over a span of nearly 80 years and served as a faculty member at the MIT Sloan School of Management since 1962. Little’s career was characterized by innovative computing work, an interdisciplinary and expansive research agenda,...

Artificial intelligence meets “blisk” in new DARPA-funded...

October 8, 2024

A recent award from the U.S. Defense Advanced Research Projects Agency (DARPA) brings together researchers from Massachusetts Institute of Technology (MIT), Carnegie Mellon University (CMU), and Lehigh University (Lehigh) under the Multiobjective Engineering and Testing of Alloy Structures (METALS) program. The team will research novel design tools for the simultaneous optimization of shape and compositional gradients in multi-material structures that complement new high-throughput materials testing techniques, with particular attention paid to the bladed disk (blisk) geometry commonly found in...

Study finds mercury pollution from human activities...

October 8, 2024

MIT researchers have some good environmental news: Mercury emissions from human activity have been declining over the past two decades, despite global emissions inventories that indicate otherwise. In a new study, the researchers analyzed measurements from all available monitoring stations in the Northern Hemisphere and found that atmospheric concentrations of mercury declined by about 10 percent between 2005 and 2020. They used two separate modeling methods to determine what is driving that trend. Both techniques pointed to a decline...

Bubble findings could unlock better electrode and...

October 8, 2024

Industrial electrochemical processes that use electrodes to produce fuels and chemical products are hampered by the formation of bubbles that block parts of the electrode surface, reducing the area available for the active reaction. Such blockage reduces the performance of the electrodes by anywhere from 10 to 25 percent. But new research reveals a decades-long misunderstanding about the extent of that interference. The findings show exactly how the blocking effect works and could lead to new ways of designing...

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