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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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A remedy for the spread of false...

March 17, 2021

Stopping the spread of political misinformation on social media may seem like an impossible task. But a new study co-authored by MIT scholars finds that most people who share false news stories online do so unintentionally, and that their sharing habits can be modified through reminders about accuracy. When such reminders are displayed, it can increase the gap between the percentage of true news stories and false news stories that people share online, as shown in online experiments that...

ChoKyun Rha, professor post-tenure of biomaterials sciences...

March 17, 2021

ChoKyun Rha ’62, SM ’64, SM ’66, SCD ’67, an MIT professor post-tenure and a groundbreaker in biomaterials science and engineering, died March 2 in Boston. She was 87. The first woman of Asian descent to receive tenure at MIT, Rha held four degrees from the Institute and taught at MIT for more than four decades. Her husband, MIT professor of microbiology Anthony Sinskey ScD ’67, also attended MIT, as did their two sons — Tong-ik Lee Sinskey ’79,...

The physicist and the hospital

March 17, 2021

It’s hard to say that Thomas Heldt has had just one career. He’s assisted with open heart surgery. He’s studied the physiology of human space travel. Most recently, he’s designed medical devices to help patients with brain injury. “It’s been a serendipitous path,” says Heldt, a recently tenured faculty member in MIT’s Department of Electrical Engineering and Computer Science (EECS). But there is a through line: Heldt operates at the intersection of physics and medicine, where fundamental physical principles...

Scene at MIT: Ruth Anderson, pioneer of...

March 16, 2021

Ruth Krock Anderson is a mathematician and computing pioneer who has seen a lot in her 102 years. Born in Boston in 1918, she was interested in math from an early age and earned a mathematics degree at Boston Teachers College, now part of the University of Massachusetts. Soon thereafter, Anderson was asked to join the MIT Radiation Laboratory, which made key contributions to the development of microwave radar technology during the second world war. “There are quite a...

How to prevent short-circuiting in next-gen lithium...

March 16, 2021

As researchers push the boundaries of battery design, seeking to pack ever greater amounts of power and energy into a given amount of space or weight, one of the more promising technologies being studied is lithium-ion batteries that use a solid electrolyte material between the two electrodes, rather than the typical liquid. But such batteries have been plagued by a tendency for branch-like projections of metal called dendrites to form on one of the electrodes, eventually bridging the electrolyte...

3 Questions: Task Force 2021 and the...

March 16, 2021

This is part three in a series of interviews with co-chairs of Task Force 2021 and Beyond workstreams. Parts one and two were published in recent weeks. MIT’s Task Force 2021 and Beyond has been at work for nine months, charged by President Rafael Reif with exploring “how MIT might invent a thriving new future” in a post-Covid world. The effort’s Administrative Workstream, whose charge included looking at the future of working at MIT, was co-chaired by Joe Higgins,...

Ultrasound has potential to damage coronaviruses, study...

March 16, 2021

The coronavirus’ structure is an all-too-familiar image, with its densely packed surface receptors resembling a thorny crown. These spike-like proteins latch onto healthy cells and trigger the invasion of viral RNA. While the virus’ geometry and infection strategy is generally understood, little is known about its physical integrity. A new study by researchers in MIT’s Department of Mechanical Engineering suggests that coronaviruses may be vulnerable to ultrasound vibrations, within the frequencies used in medical diagnostic imaging. Through computer simulations,...

A new goal for soccer: Improving attitudes...

March 15, 2021

Across the globe, 26 million people have been displaced from their home countries by civil war, drought, political persecution, and other crises. At the same, attitudes against refugees are hardening in many countries; a 2018 survey found that 40 percent of Kenyans have heard that refugees are a security threat, and 45 percent don’t think refugees should be allowed to freely move around the country. In a new paper in the journal Comparative Political Studies, MIT Governance Lab (GOV/LAB)...

Study predicts the oceans will start emitting...

March 15, 2021

The world’s oceans are a vast repository for gases including ozone-depleting chlorofluorocarbons, or CFCs. They absorb these gases from the atmosphere and draw them down to the deep, where they can remain sequestered for centuries and more. Marine CFCs have long been used as tracers to study ocean currents, but their impact on atmospheric concentrations was assumed to be negligible. Now, MIT researchers have found the oceanic fluxes of at least one type of CFC, known as CFC-11, do...

Industry, labor, and education leaders discuss the...

March 15, 2021

“From the research of the MIT Task Force on the Work of the Future, so far, one thing is absolutely clear: Technological change is transforming our work, our lives, and our society — and fortunately, the harsh societal consequences that concern us all are not inevitable,” said MIT President L. Rafael Reif at the start of “From Research to Action: Work of the Future,” on Feb. 19. The event was the second in the MIT Forefront series, which seeks...

Could we recycle plastic bags into fabrics...

March 15, 2021

In considering materials that could become the fabrics of the future, scientists have largely dismissed one widely available option: polyethylene. The stuff of plastic wrap and grocery bags, polyethylene is thin and lightweight, and could keep you cooler than most textiles because it lets heat through rather than trapping it in. But polyethylene would also lock in water and sweat, as it’s unable to draw away and evaporate moisture. This antiwicking property has been a major deterrent to polyethylene’s...

Faster drug discovery through machine learning

March 15, 2021

Drugs can only work if they stick to their target proteins in the body. Assessing that stickiness is a key hurdle in the drug discovery and screening process. New research combining chemistry and machine learning could lower that hurdle. The new technique, dubbed DeepBAR, quickly calculates the binding affinities between drug candidates and their targets. The approach yields precise calculations in a fraction of the time compared to previous state-of-the-art methods. The researchers say DeepBAR could one day quicken...

Women in Innovation and STEM Database at...

March 12, 2021

WISDM, the Women in Innovation and STEM Database at MIT, celebrated the first anniversary of its digital launch on March 8 — International Women’s Day. To mark the occasion, the tremendous growth of the WISDM community, MIT Innovation Initiative (MITii), which manages the platform/community, announced the WISDM Fellowship Program. WISDM promotes the visibility of women in the MIT academic community, increases gender diversity in innovation and entrepreneurship, and makes it easier to find talented and diverse speakers for various...

Planning for summer and fall at MIT

March 12, 2021

The following letter was sent to the MIT community today by President L. Rafael Reif. To the members of the MIT community, After 40 years in Massachusetts, I know the shift from winter to spring is governed by a dial, not a switch – and that dial can go backwards. Today on Killian Court, the grass is working up the courage to turn green. But we all know that it’s too early to stow our snow boots. The shift...

Artificial intelligence that more closely mimics the...

March 12, 2021

For all the progress that’s been made in the field of artificial intelligence, the world’s most flexible, efficient information processor remains the human brain. Although we can quickly make decisions based on incomplete and changing information, many of today’s artificial intelligence systems only work after being trained on well-labeled data, and when new information is available, a complete retraining is often required to incorporate it. Now the startup Nara Logics, co-founded by an MIT alumnus, is trying to take...

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