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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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Comedy meets mathematics in a new opera...

February 23, 2023

Over the course of her career, the composer Elena Ruehr has found inspiration in very different writers and very different worlds. She has, for example, set poems by Emily Dickinson and Langston Hughes to music. Her latest project, “The Thrilling Adventures of Lovelace and Babbage,” recently premiered at MIT and marks another stylistic turn. And as with many artistic projects, the initial spark was serendipitous. Victorian scientific mavens Ruehr, a senior lecturer in MIT Music and Theater Arts and...

MIT wins 83rd Putnam Mathematical Competition, sweeps...

February 23, 2023

The MIT math dynasty continues to break records for its performance in the annual William Lowell Putnam Mathematical Competition. For the third year in a row, MIT students corralled all five of the top Putnam Fellow spots, and for the fourth time in as many years, won the Elizabeth Lowell Putnam Prize for the top-scoring woman. In total, a striking 70 out of this year’s top 100 test-takers were MIT students, including 21 of the top 25. In its...

Student-led conference charts the future of micro-...

February 22, 2023

Snowshoeing and microelectronics are not often mentioned together in the same sentence, but at the Microsystems Annual Research Conference (MARC), winter activities, technical talks, and poster sessions all combine for a two-day flurry of research celebrations. Returning to the Omni Mount Washington Resort in New Hampshire on Jan. 24-25 for the first time since before the pandemic, MARC gathered over 240 MIT students, faculty, staff, and industry partners to chart the future of microsystems and nanotechnology. Now in its...

Custom, 3D-printed heart replicas look and pump...

February 22, 2023

No two hearts beat alike. The size and shape of the the heart can vary from one person to the next. These differences can be particularly pronounced for people living with heart disease, as their hearts and major vessels work harder to overcome any compromised function. MIT engineers are hoping to help doctors tailor treatments to patients’ specific heart form and function, with a custom robotic heart. The team has developed a procedure to 3D print a soft and...

Celebrating the high-speed photography of late MIT...

February 22, 2023

A hummingbird mid-flight, a bullet piercing an apple, and a drop of milk forming a crown-like splash, are all images never seen by the human eye until the late MIT professor Harold “Doc” Edgerton captured them. Having transformed the stroboscope from a laboratory instrument into an everyday device, he is considered the father of modern high-speed photography — affectionately known by his students and staff as “Doc,” and as “Papa Flash” by Jacques Cousteau and the crew of their...

A new chip for decoding data transmissions...

February 22, 2023

Imagine using an online banking app to deposit money into your account. Like all information sent over the internet, those communications could be corrupted by noise that inserts errors into the data. To overcome this problem, senders encode data before they are transmitted, and then a receiver uses a decoding algorithm to correct errors and recover the original message. In some instances, data are received with reliability information that helps the decoder figure out which parts of a transmission...

Study: Carbon-neutral pavements are possible by 2050,...

February 21, 2023

Almost 2.8 million lane-miles, or about 4.6 million lane-kilometers, of the United States are paved. Roads and streets form the backbone of our built environment. They take us to work or school, take goods to their destinations, and much more. However, a new study by MIT Concrete Sustainability Hub (CSHub) researchers shows that the annual greenhouse gas (GHG) emissions of all construction materials used in the U.S. pavement network are 11.9 to 13.3 megatons. This is equivalent to the...

Studies of unusual brains reveal critical insights...

February 21, 2023

E.G. (a pseudonym) is an accomplished woman in her early 60s: She is a college graduate and has an advanced professional degree. She has a stellar vocabulary — in the 98th percentile, according to tests — and has mastered a foreign language (Russian) to the point that she sometimes dreams in it. She also has, likely since birth, been missing her left temporal lobe, a part of the brain known to be critical for language. In 2016, E.G. contacted...

A more sustainable way to generate phosphorus

February 21, 2023

Phosphorus is an essential ingredient in thousands of products, including herbicides, lithium-ion batteries, and even soft drinks. Most of this phosphorus comes from an energy-intensive process that contributes significantly to global carbon emissions. In an effort to reduce that carbon footprint, MIT chemists have devised an alternative way to generate white phosphorus, a critical intermediate in the manufacture of those phosphorus-containing products. Their approach, which uses electricity to speed up a key chemical reaction, could reduce the carbon emissions...

New chip for mobile devices knocks out...

February 21, 2023

Imagine sitting in a packed stadium for a pivotal football game — tens of thousands of people are using mobile phones at the same time, perhaps video chatting with friends or posting photos on social media. The radio frequency signals being sent and received by all these devices could cause interference, which slows device performance and drains batteries. Designing devices that can efficiently block unwanted signals is no easy task, especially as 5G networks become more universal and future...

A new way for quantum computing systems...

February 21, 2023

Heat causes errors in the qubits that are the building blocks of a quantum computer, so quantum systems are typically kept inside refrigerators that keep the temperature just above absolute zero (-459 degrees Fahrenheit). But quantum computers need to communicate with electronics outside the refrigerator, in a room-temperature environment. The metal cables that connect these electronics bring heat into the refrigerator, which has to work even harder and draw extra power to keep the system cold. Plus, more qubits...

Making nanoparticle building blocks for new materials

February 17, 2023

Some researchers are driven by the quest to improve a specific product, like a battery or a semiconductor. Others are motivated by tackling questions faced by a given industry. Rob Macfarlane, MIT’s Paul M. Cook Associate Professor in Materials Science and Engineering, is driven by a more fundamental desire. “I like to make things,” Macfarlane says. “I want to make materials that can be functional and useful, and I want to do so by figuring out the basic principles...

Letter to the MIT Community: Embracing freedom...

February 17, 2023

The following letter was sent to the MIT community yesterday by President Sally Kornbluth. Dear members of the MIT community, In January 2022, a faculty-led working group began to develop a statement of principle around freedom of expression as well as a set of supporting recommendations. The faculty approved a final version of the statement by vote in December – and yesterday’s faculty meeting declared the process officially complete. For the perseverance, thoughtfulness and care this work demanded, I...

Nine from MIT named 2023 Sloan Research...

February 16, 2023

Nine members of the MIT faculty are among 126 early-career researchers honored across seven fields with 2023 Sloan Research Fellowships by the Alfred P. Sloan Foundation. Representing the departments of Aeronautics and Astronautics, Chemistry, Economics, Electrical Engineering and Computer Science, Materials Science and Engineering, Mathematics, and Physics, the honorees will each receive a two-year, $75,000 fellowship to advance their research. Including this year’s recipients, a total of 318 MIT faculty have received Sloan Research Fellowships since the first fellowships were awarded in 1955. Luca Carlone...

Improving the speed and safety of airport...

February 16, 2023

For decades, airports around the nation have employed sensitive canine noses to detect concealed explosives. While this four-legged fleet has been effective and efficient, researchers have yet to build a mechanical method that can mimic their abilities. Sasha Wrobel and Ta-Hsuan Ong are leading a team of researchers from MIT Lincoln Laboratory’s Biological and Chemical Technologies Group to try to find a way. The team’s research builds on the laboratory’s ongoing work to create and use a mass spectrometer...

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