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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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Communications system achieves fastest laser link from...

November 30, 2022

In May 2022, the TeraByte InfraRed Delivery (TBIRD) payload onboard a small CubeSat satellite was launched into orbit 300 miles above Earth’s surface. Since then, TBIRD has delivered terabytes of data at record-breaking rates of up to 100 gigabits per second — 100 times faster than the fastest internet speeds in most cities — via an optical communication link to a ground-based receiver in California. This data rate is more than 1,000 times higher than that of the radio-frequency links...

Mysteriously bright flash is a black hole...

November 30, 2022

Earlier this year, astronomers were keeping tabs on data from the Zwicky Transient Facility, an all-sky survey based at the Palomar Observatory in California, when they detected an extraordinary flash in a part of the sky where no such light had been observed the night before. From a rough calculation, the flash appeared to give off more light than 1,000 trillion suns. The team, led by researchers at NASA, Caltech, and elsewhere, posted their discovery to an astronomy newsletter,...

Spreading joy with Wide Tim

November 29, 2022

He has his own Instagram account. He stars as the featured profile picture on MIT Admission’s Facebook page. When MIT’s Campus Preview Weekend 2022 came around, he joyfully opened his arms widely to welcome the admitted Class of 2026 at a campus photo booth. You can find him everywhere on campus, from murals and posters in the MIT Welcome Center to laptop stickers, pins, and keychains on a student’s backpack. No, this isn’t MIT’s iconic mascot, Tim the Beaver....

Busy GPUs: Sampling and pipelining method speeds...

November 29, 2022

Graphs, a potentially extensive web of nodes connected by edges, can be used to express and interrogate relationships between data, like social connections, financial transactions, traffic, energy grids, and molecular interactions. As researchers collect more data and build out these graphical pictures, researchers will need faster and more efficient methods, as well as more computational power, to conduct deep learning on them, in the way of graph neural networks (GNN). Now, a new method, called SALIENT (SAmpling, sLIcing,...

A breakthrough on “loss and damage,” but...

November 29, 2022

As the 2022 United Nations climate change conference, known as COP27, stretched into its final hours on Saturday, Nov. 19, it was uncertain what kind of agreement might emerge from two weeks of intensive international negotiations. In the end, COP27 produced mixed results: on the one hand, a historic agreement for wealthy countries to compensate low-income countries for “loss and damage,” but on the other, limited progress on new plans for reducing the greenhouse gas emissions that are warming...

Lessons in innovation based on values of...

November 29, 2022

Traditional Cherokee community values can broadly be condensed into four primary teachings that have guided members of the community through life and its challenges for centuries, two members of the Cherokee nation told an MIT audience last week. Be respectful and curious; observe and learn from your environment; take time to think about and find answers; and commit to the answer and guide others to the right or “true path.” For MIT Senior Lecturer and Cherokee citizen David Robertson,...

MIT Policy Hackathon produces new solutions for...

November 28, 2022

Almost three years ago, the Covid-19 pandemic changed the world. Many are still looking to uncover a “new normal.” “Instead of going back to normal, wants to build back something different, something better,” says Jorge Sandoval, a second-year graduate student in MIT’s Technology and Policy Program (TPP) at the Institute for Data, Systems and Society (IDSS). “How do we communicate this mindset to others, that the world cannot be the same as before?” This...

Reversing the charge

November 28, 2022

Owners of electric vehicles (EVs) are accustomed to plugging into charging stations at home and at work and filling up their batteries with electricity from the power grid. But someday soon, when these drivers plug in, their cars will also have the capacity to reverse the flow and send electrons back to the grid. As the number of EVs climbs, the fleet’s batteries could serve as a cost-effective, large-scale energy source, with potentially dramatic impacts on the energy transition,...

New device can control light at unprecedented...

November 28, 2022

In a scene from “Star Wars: Episode IV — A New Hope,” R2D2 projects a three-dimensional hologram of Princess Leia making a desperate plea for help. That scene, filmed more than 45 years ago, involved a bit of movie magic — even today, we don’t have the technology to create such realistic and dynamic holograms. Generating a freestanding 3D hologram would require extremely precise and fast control of light beyond the capabilities of existing technologies, which are based on...

Channeling creativity through art and engineering

November 28, 2022

Emily Satterfield likes to create. Whether she’s crocheting a dress she saw on TikTok, baking a cake, dancing at Cambridge’s Havana Club, or tinkering on a project, she fills her days with activities that channel her seemingly endless creativity. “Being creative has always been a huge part of who I am. I get a new hobby every week. I just love anything that involves making things,” says Satterfield ’22, who recently graduated from MIT with a degree in mechanical...

Celebrating “Black Panther: Wakanda Forever” at MIT

November 28, 2022

Excited cheers and applause filled the 26-100 lecture hall on Nov. 20, as 77 Massachusetts Avenue — the main entrance to MIT — appeared on the big screen during a showing of Marvel Studios’ “Black Panther: Wakanda Forever.” The several hundred MIT students in the audience had been waiting with eager anticipation for the first glimpse of their campus, which was used as a filming location in summer 2021. “Knowing that they shot scenes on campus was really exciting,” said graduate...

Featured video: Creating a sense of feeling

November 27, 2022

“The human body is just engineered so beautifully,” says Shriya Srinivasan PhD ’20, a research affiliate at MIT’s Koch Institute for Integrative Cancer Research, a junior fellow at the Society of Fellows at Harvard University, and former doctoral student in the Harvard-MIT Program in Health Sciences and Technology. Both a biomedical engineer and a dancer, Srinivasan is dedicated to investigating the body’s movements and sensations. As a PhD student she worked in Media Lab Professor Hugh Herr’s Biomechatronics Group...

New CRISPR-based tool inserts large DNA sequences...

November 24, 2022

Building on the CRISPR gene-editing system, MIT researchers have designed a new tool that can snip out faulty genes and replace them with new ones, in a safer and more efficient way. Using this system, the researchers showed that they could deliver genes as long as 36,000 DNA base pairs to several types of human cells, as well as to liver cells in mice. The new technique, known as PASTE, could hold promise for treating diseases that are caused...

Teresa Gao named 2024 Mitchell Scholar

November 23, 2022

MIT senior Teresa Gao has been named one of the 12 winners of the George J. Mitchell Scholarship’s Class of 2024. After graduating next spring with a double major in computer science and engineering as well as brain and cognitive sciences, she will study augmented and virtual reality at Trinity College Dublin. Gao is the fifth MIT student to be named a Mitchell Scholar. Mitchell Scholars are selected on the basis of academic achievement, leadership, and dedication to public...

A far-sighted approach to machine learning

November 23, 2022

Picture two teams squaring off on a football field. The players can cooperate to achieve an objective, and compete against other players with conflicting interests. That’s how the game works. Creating artificial intelligence agents that can learn to compete and cooperate as effectively as humans remains a thorny problem. A key challenge is enabling AI agents to anticipate future behaviors of other agents when they are all learning simultaneously. Because of the complexity of this problem, current approaches tend...

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