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Tiny magnetic beads produce an optical signal that could be used to quickly detect pathogens
used to quickly detect contaminants in a variety of diagnostic tests. For example, the team showed the ... signature could be used to detect signs of the food contaminant Salmonella. 1024superparamagneticbeads.jpg ... antibodies that bind to target molecules, such as a specific pathogen. Dynabeads are typically used in ...
https://meche.mit.edu/news-media/tiny-magnetic-beads-produce-optical-signal-could-be-used-quickly-detect-pathogensHow to Hide Like an Octopus
electro-active elastomer that could be quite easily adapted to standard manufacturing processes and uses readily ... the muscles contract, “they stretch that ball into a pancake, and use that to change color. The muscle ... contraction also varies skin textures, for example, from smooth to bumpy.” Octopuses use this mechanism both ...
https://meche.mit.edu/news-media/how-hide-octopusTalking Shop: Professor Steven Dubowsky
both of these serious health risks using reverse osmosis desalination to remove dissolved minerals and ... Designing the system for this environment was relatively straightforward. We used software to design an ... State of California and has served as an advisor to the National Science Foundation, the National ...
https://meche.mit.edu/news-media/talking-shop-professor-steven-dubowskyStudent Spotlight: PhD Candidate Faye Wu (SB ’09, SM ’12)
would look like to someone watching you use the robotic finger system that PhD student Faye Wu is ... natural robotic motion quite simply.” How it Works The wearer’s alpha hand fits inside a sensor glove, ... of the alpha hand in order to support and complement it. For example, if the commanding hand grasps ...
https://meche.mit.edu/news-media/student-spotlight-phd-candidate-faye-wu-sb-%E2%80%9909-sm-%E2%80%9912MIT Robot Learns How to Play Jenga
has developed a robot that is learning how to play the game Jenga®. Using machine-learning and sensory ... lab, have developed a robot that is learning how to play the game Jenga®. The technology could be used ... https://youtu.be/o1j_amoldMs MIT's MCube lab, have developed a robot that is learning how to play the game Jenga®. Using ...
https://meche.mit.edu/news-media/mit-robot-learns-how-play-jengaHow to assess a general-purpose AI model’s reliability before it’s deployed
approach can be used to assess reliability for any input data, so one could evaluate how well a model works ... Then they use their algorithm to assess the consistency of the representations each model learns about ... a real-world dataset. This could be especially useful when datasets may not be accessible due to privacy ...
https://meche.mit.edu/news-media/how-assess-general-purpose-ai-model%E2%80%99s-reliability-it%E2%80%99s-deployedHow to make hydrogels more injectable
biomedical uses, but so far very few have made it into the clinic. To help guide in the development of such ... co-advised by Lewis and Roche, began trying to figure out how to get these materials to be reliably ... understand what was going on and how to go to the next step,” he says. To create their design framework, the ...
https://meche.mit.edu/news-media/how-make-hydrogels-more-injectableTalking Shop with Professor David Gossard
me the questions is, “How do you use technology that is at your disposal to address questions of ... first MechE faculty members to teach an MITx course on the edX platform (last spring, senior lecturer ... 2.03x, debuted on edX this past October. What inspired you to be one of the first professors to teach an ...
https://meche.mit.edu/news-media/talking-shop-professor-david-gossardHow to clean solar panels without water
installations. But cleaning solar panels currently is estimated to use about 10 billion gallons of water per year ... problem, they say. MIT-Cleaning-Solar-03-press.jpeg The new system uses electrostatic repulsion to cause ... cleaning these solar panels using pressurized water jets has to be trucked in from a distance, and it has ...
https://meche.mit.edu/news-media/how-clean-solar-panels-without-waterHow to speed up the discovery of new solar cell materials
using the same materials synthesis platform. It allows us to explore a vast range of parameter space,” ... then examined using a technique called X-ray diffraction, which can reveal details of how the atoms are ... painstaking. MIT-AI-Solar-PRESS 1024.jpg Diagram depicts the sequence of steps used in the new streamlined ...
https://meche.mit.edu/news-media/how-speed-discovery-new-solar-cell-materialsHow to solve a bottleneck for CO2 capture and conversion
pure carbon dioxide, which can then be used to make fuels or other products. ... rather than extracting carbon dioxide. That’s where the efficiency is lost. Using nanofiltration to ... validating the concept under realistic conditions, Rufer says. The next step was to assess how much of an ...
https://meche.mit.edu/news-media/how-solve-bottleneck-co2-capture-and-conversionHow to pull carbon dioxide out of seawater
systems, the idea has not yet led to any widespread use, though there are a few companies attempting to ... introducing chemicals to the anode and cathode half cells and to avoid the use of membranes if at all ... cells. Reactive electrodes are used to release protons to the seawater fed to the cells, driving the ...
https://meche.mit.edu/news-media/how-pull-carbon-dioxide-out-seawater-0How slippery surfaces allow sticky pastes and gels to slide
has now tackled a new category of consumer and manufacturing woe: how to get much thicker materials to ... pharmaceuticals, he says. The use of mechanical scrapers to propel drug materials through mixing tanks and pipes ... proteins and other active compounds in the drug. By using the new coatings, in some cases it’s possible to ...
https://meche.mit.edu/news-media/how-slippery-surfaces-allow-sticky-pastes-and-gels-slideHow engineering students are seeking to solve major food and water security problems
now working to solve problems like these in her thesis by using a systems approach to study how ... withdrawn for agriculture compared to industry and domestic uses in South Asia, Middle East, North Africa, ... willing to give it to you; you get to decide how to put it all together,” she said. Her index is intended ...
https://meche.mit.edu/news-media/how-engineering-students-are-seeking-solve-major-food-and-water-security-problemsHow to create selective holes in graphene
5 trillion pores per square centimeter, well suited to use for filtration. “To better understand how small ... limitation in existing nanofiltration and reverse-osmosis desalination plants, which use filters to separate ... the process to produce useful sheets of the permeable graphene, while maintaining control over the ...
https://meche.mit.edu/news-media/how-create-selective-holes-grapheneHow to make oxygen on the moon
a vacuum and also simulated lunar temperatures and pressures. The company says it has had to improve how ... which involves using electricity to split lunar minerals containing oxygen, in order to extract the ... this, they used a “sonicator”, which blasts the bubbles with sound waves in order to dislodge them. Ms ...
https://meche.mit.edu/news-media/how-make-oxygen-moonHow to get salt out of water: Make it self-eject
to serve 100,000 people. That means that using sea water for cooling where possible could help to ... countries is estimated to be lost through a single technical issue: the fouling of heat exchanger surfaces ... could lead to a new way of reducing such fouling, and potentially even enable turning that deleterious ...
https://meche.mit.edu/news-media/how-get-salt-out-water-make-it-self-ejectHow to tap the sun’s energy through heat as well as light
by using sunlight to heat a high-temperature material whose infrared radiation would then be ... A new approach to harvesting solar energy, developed by MIT researchers, could improve efficiency ... collected by a conventional photovoltaic cell. This technique could also make it easier to store the energy ...
https://meche.mit.edu/news-media/how-tap-sun%E2%80%99s-energy-through-heat-well-lightHow to push, wiggle, or drill an object through sand
method predicts how much force to apply to push an object through grains, such as a shovel through snow. ... Credits: “We now have a formula that can be very useful in settings where you have to check through lots of ... includes Daniel I. Goldman, professor of physics at Georgia Tech. A fluid connection In order to know how ...
https://meche.mit.edu/news-media/how-push-wiggle-or-drill-object-through-sand3 Questions: A shared vocabulary for how infectious diseases spread
transmission that seeks to create a consensus around the terminology used to describe the transmission of ... reflects a new, shared understanding of how respiratory infectious pathogens move from one person to the ... diverse fields — ranging from fluid physics to clinical medicine and epidemiology — to think through how ...
https://meche.mit.edu/news-media/3-questions-shared-vocabulary-how-infectious-diseases-spread