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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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Mining for the clean energy transition

December 1, 2022

In a world powered increasingly by clean energy, drilling for oil and gas will gradually give way to digging for metals and minerals. Today, the “critical minerals” used to make electric cars, solar panels, wind turbines, and grid-scale battery storage are facing soaring demand — and some acute bottlenecks as miners race to catch up. According to a report from the International Energy Agency, by 2040, the worldwide demand for copper is expected to roughly double; demand for nickel...

Using game engines and “twins” to co-create...

December 1, 2022

Imagine entering a 3D virtual story world that’s a digital twin of an existing physical space but also doubles as a vessel to dream up speculative climate stories and collective designs. Then, those imagined worlds are translated back into concrete plans for our physical spaces. Five multidisciplinary teams recently convened at MIT — virtually — for the inaugural WORLDING workshop. In a weeklong series of research and development gatherings, the teams met with MIT scientists, staff, fellows, students and...

Large language models help decipher clinical notes

December 1, 2022

Electronic health records (EHRs) need a new public relations manager. Ten years ago, the U.S. government passed a law that required hospitals to digitize their health records with the intent of improving and streamlining care. The enormous amount of information in these now-digital records could be used to answer very specific questions beyond the scope of clinical trials: What’s the right dose of this medication for patients with this height and weight? What about patients with a specific genomic...

MIT researchers use quantum computing to observe...

December 1, 2022

For the first time, researchers at MIT, Caltech, Harvard University, and elsewhere sent quantum information across a quantum system in what could be understood as traversing a wormhole. Though this experiment didn’t create a disruption of physical space and time in the way we might understand the term “wormhole” from science fiction, calculations from the experiment showed that qubits traveled from one system of entangled particles to another in a model of gravity. This experiment performed on the Sycamore...

A targeted approach to reducing the health...

December 1, 2022

To clear the way for planting wheat in November, a farmer in Punjab, India, sets aflame the leftover straw, or stubble, of a harvested rice paddy crop in October. The burning residue fills the air with carbon monoxide, ozone, and fine particulate matter (PM2.5) that will make it harder to breathe for days afterward and for miles around. It’s a scene that’s replicated on about 2 million farms in the Punjab and Haryana states of northwest India every autumn...

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...

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