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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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Noninvasive imaging method can penetrate deeper into...

December 11, 2024

Metabolic imaging is a noninvasive method that enables clinicians and scientists to study living cells using laser light, which can help them assess disease progression and treatment responses. But light scatters when it shines into biological tissue, limiting how deep it can penetrate and hampering the resolution of captured images. Now, MIT researchers have developed a new technique that more than doubles the usual depth limit of metabolic imaging. Their method also boosts imaging speeds, yielding richer and more...

Researchers reduce bias in AI models while...

December 11, 2024

Machine-learning models can fail when they try to make predictions for individuals who were underrepresented in the datasets they were trained on. For instance, a model that predicts the best treatment option for someone with a chronic disease may be trained using a dataset that contains mostly male patients. That model might make incorrect predictions for female patients when deployed in a hospital. To improve outcomes, engineers can try balancing the training dataset by removing data points until all...

Daniela Rus wins John Scott Award

December 9, 2024

Daniela Rus, director of MIT’s Computer Science and Artificial Intelligence Laboratory and MIT professor of electrical engineering and computer science, was recently named a co-recipient of the 2024 John Scott Award by the board of directors of City Trusts. This prestigious honor, steeped in historical significance, celebrates scientific innovation at the very location where American independence was signed in Philadelphia, a testament to the enduring connection between scientific progress and human potential. The Scott Award, the first science award...

Professor Emeritus Hale Van Dorn Bradt, an...

December 9, 2024

MIT Professor Emeritus Hale Van Dorn Bradt PhD ’61 of Peabody, Massachusetts, formerly of Salem and Belmont, beloved husband of Dorothy A. (Haughey) Bradt, passed away on Thursday, Nov. 14 at Salem Hospital, surrounded by his loving family. He was 93. Bradt, a longtime member of the Department of Physics, worked primarily in X-ray astronomy with NASA rockets and satellites, studying neutron stars and black holes in X-ray binary systems using rocket-based and satellite-based instrumentation. He was the original principal investigator...

MIT astronomers find the smallest asteroids ever...

December 9, 2024

The asteroid that extinguished the dinosaurs is estimated to have been about 10 kilometers across. That’s about as wide as Brooklyn, New York. Such a massive impactor is predicted to hit Earth rarely, once every 100 million to 500 million years. In contrast, much smaller asteroids, about the size of a bus, can strike Earth more frequently, every few years. These “decameter” asteroids, measuring just tens of meters across, are more likely to escape the main asteroid belt and...

So you want to build a solar...

December 6, 2024

Deciding where to build new solar or wind installations is often left up to individual developers or utilities, with limited overall coordination. But a new study shows that regional-level planning using fine-grained weather data, information about energy use, and energy system modeling can make a big difference in the design of such renewable power installations. This also leads to more efficient and economically viable operations. The findings show the benefits of coordinating the siting of solar farms, wind farms, and...

A new biodegradable material to replace certain...

December 6, 2024

Microplastics are an environmental hazard found nearly everywhere on Earth, released by the breakdown of tires, clothing, and plastic packaging. Another significant source of microplastics is tiny beads that are added to some cleansers, cosmetics, and other beauty products. In an effort to cut off some of these microplastics at their source, MIT researchers have developed a class of biodegradable materials that could replace the plastic beads now used in beauty products. These polymers break down into harmless sugars...

Study: Browsing negative content online makes mental...

December 5, 2024

People struggling with their mental health are more likely to browse negative content online, and in turn, that negative content makes their symptoms worse, according to a series of studies by researchers at MIT. The group behind the research has developed a web plug-in tool to help those looking to protect their mental health make more informed decisions about the content they view. The findings were outlined in an open-access paper by Tali Sharot, an adjunct professor of cognitive...

Seen and heard: The new Edward and...

December 5, 2024

Until very recently, Mariano Salcedo, a fourth-year MIT electronic engineering and computer science student majoring in artificial intelligence and decision-making, was planning to apply for a master’s program in computer science at MIT. Then he saw the new Edward and Joyce Linde Music Building, which opened this fall for a selection of classes. “Now, instead of going into computer science, I’m thinking of applying for the master’s program in Music Technology, which is being offered here for the first...

Want to design the car of the...

December 5, 2024

Car design is an iterative and proprietary process. Carmakers can spend several years on the design phase for a car, tweaking 3D forms in simulations before building out the most promising designs for physical testing. The details and specs of these tests, including the aerodynamics of a given car design, are typically not made public. Significant advances in performance, such as in fuel efficiency or electric vehicle range, can therefore be slow and siloed from company to company. MIT...

Women’s cross country runs to first NCAA...

December 4, 2024

Behind All-American performances from senior Christina Crow and juniors Rujuta Sane and Kate Sanderson, the MIT women’s cross country team claimed its first NCAA Division III National Championship on Nov. 23 at the LaVern Gibson Cross Country Course in Indiana. MIT entered the race as the No. 1 ranked team in the nation after winning its 17th straight NEWMAC conference title and its fourth straight NCAA East Regional Championship in 2024. The Engineers completed a historic season with a...

MIT delegation mainstreams biodiversity conservation at the...

December 4, 2024

For the first time, MIT sent an organized engagement to the global Conference of the Parties for the Convention on Biological Diversity, which this year was held Oct. 21 to Nov. 1 in Cali, Colombia. The 10 delegates to COP16 included faculty, researchers, and students from the MIT Environmental Solutions Initiative (ESI), the Department of Electrical Engineering and Computer Science (EECS), the Computer Science and Artificial Intelligence Laboratory (CSAIL), the Department of Urban Studies and Planning (DUSP), the Institute...

MIT K. Lisa Yang Center for Bionics...

December 4, 2024

The MIT K. Lisa Yang Center for Bionics and Sierra Leone’s Ministry of Health (MOH) have launched the first fully accredited educational program for prosthetists and orthotists in Sierra Leone. Tens of thousands of people in Sierra Leone need orthotic braces and artificial limbs, but access to such specialized medical care in this African nation has been limited. On Nov. 7, the country’s inaugural class of future prosthetic and orthotic clinicians received their white coats at a ceremony in...

A new way to create realistic 3D...

December 4, 2024

Creating realistic 3D models for applications like virtual reality, filmmaking, and engineering design can be a cumbersome process requiring lots of manual trial and error. While generative artificial intelligence models for images can streamline artistic processes by enabling creators to produce lifelike 2D images from text prompts, these models are not designed to generate 3D shapes. To bridge the gap, a recently developed technique called Score Distillation leverages 2D image generation models to create 3D shapes, but its output...

3 Questions: Community policing in the Global...

December 4, 2024

The concept of community policing gained wide acclaim in the U.S. when crime dropped drastically during the 1990s. In Chicago, Boston, and elsewhere, police departments established programs to build more local relationships, to better enhance community security. But how well does community policing work in other places? A new multicountry experiment co-led by MIT political scientist Fotini Christia found, perhaps surprisingly, that the policy had no impact in several countries across the Global South, from Africa to South America...

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