Mechanical engineering

MIT researchers have devised a new carbon capture system that “relies on the reaction between CO2 in flue gas and a fine mist of electrically charged particles,” reports Karmela Padavic-Callaghan for New Scientist. The researchers believe their design could be “95 per cent efficient at capturing carbon dioxide, while measuring less than 4 meters long,” Padavic-Callaghan notes. “Their analysis also showed that the approach would reduce capital costs of adding carbon capture to power plants by about 2.6 times compared with current technology.”

Researchers at MIT and elsewhere have developed a medical device that uses AI to evade scar tissue build up, reports Andrew Paul for Popular Science. “The technology’s secret weapon is its conductive, porous membrane capable of detecting when it is becoming blocked by scar tissue,” writes Paul. 

Graduate student Turga Ganapathy is studying the best ways to grow spirulina at home so that the microalgae can be used as a food source, reports WCVB-TV. Spirulina “are complete proteins, meaning that they produce amino acids that the human body cannot synthesize that we usually get from animals or a combination of different plant-based proteins,” says Ganapathy.

Researchers at MIT have developed a supercapacitor, an energy storage system, using cement, water and carbon, reports Macie Parker for The Boston Globe. “Energy storage is a global problem,” says Prof. Franz-Josef Ulm. “If we want to curb the environmental footprint, we need to get serious and come up with innovative ideas to reach these goals.”

Researchers from MIT and BU have developed the Cleana toilet seat, a set of non-electric automatic lifting and lowering toilet seats that aim to make bathrooms more sanitary, reports Rob Way for WHDH.   

A number of MIT alumni including Elaheh Ahmadi, Alexander Amini, and Jose Amich have been named to the Forbes 30 Under 30 Local Boston list.

Fast Company reporter Adele Peters writes that MIT researchers have developed a new type of concrete that can store energy, potentially enabling roads to be transformed into EV chargers and home foundations into sources of energy. “All of a sudden, you have a material which can not only carry load, but it can also store energy,” says Prof. Franz-Josef Ulm.

MIT engineers have uncovered a new way of creating an energy supercapacitor by combining cement, carbon black and water  that could one day be used to power homes or electric vehicles, reports Jeremy Hsu for New Scientist. “The materials are available for everyone all over the place, all over the world,” explains Prof. Franz-Josef Ulm. “Which means we don’t have the same restriction as with batteries.”

MIT researchers have discovered that when combined with water, carbon black and cement can produce a low-cost supercapacitor capable of storing electricity for later use, reports Andrew Paul for Popular Science. “With some further fine-tuning and experimentation, the team believes their enriched cement material could one day compose portions of buildings’ foundations, or even create wireless charging,” writes Paul.

Researchers at MIT have found that cement and carbon black can be combined with water to create a battery alternative, reports Robert Service for Science. Professor Franz-Josef Ulm and his colleagues “mixed a small percent of carbon black with cement powder and added water,” explains Service. “The water readily combines with the cement. But because the particles of carbon black repel water, they tend to clump together, forming long interconnected tendrils within the hardening cement that act like a network of wires.”

Researchers from MIT’s Plasma Science and Fusion Center and Commonwealth Fusion Systems (CFS) are using high-temperature superconducting tape as a key part of the design for their tokamak reactor, reports Tom Clynes for IEEE Spectrum. The researchers believe that “this novel approach will allow it to build a high-performance tokamak that is much smaller and less expensive than would be possible with previous approaches,” Clynes notes.

MIT has been selected as the world’s best university in the 2024 QS World University Rankings, reports Cecilia Rodriguez for Forbes. MIT has secured “the top position for the 12^th consecutive year,” writes Rodriguez.

Prof. Yang Shao-Horn spoke at the State of the Art Jewelry Summit to discuss the jewelry industry’s impact on carbon emissions and sustainability efforts, reports Caroline Palmer for the Financial Times. Shao-Horn's suggestions to tackle the problem involved a mix of a carbon tax, “which could encourage the use of new technology, including electric vehicles, as well as shifting mining practices away from open site to the development of mobile mining vehicles powered by renewable energy or hydrogen,” writes Palmer.

Researchers from MIT and BU developed the Cleana toilet seat, which is aimed at addressing poor toilet etiquette, reports Katie Thompson for WCVB. “One toilet seat lifts and stays in the up position after the seat is placed down is designed for a more high-traffic commercial space,” writes Thompson. “The residential version, meanwhile, includes a seat and lid that are both designed to automatically lower after use, helping protect the open toilet bowl from small children and pets — as well as creating a better aesthetic look.”

Researchers at MIT have developed an extra-absorbent hydrogel that can draw water from the air, reports Ross Cristantiello for Boston.com. The new hydrogel “could potentially help communities ravaged by drought and make air conditioners more energy-efficient,” writes Cristantiello.