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MIT (Massachusetts Institute of Technology) articles

Displaying 161 - 171 of 171

'Yolks' & 'shells' improve rechargeable batteries

'Yolks' & 'shells' improve rechargeable batteries
One big problem faced by electrodes in rechargeable batteries, as they go through repeated cycles of charging and discharging, is that they must expand and shrink during each cycle, sometimes doubling in volume, and then shrinking back. This can lead to repeated shedding and reformation of its ‘skin’ layer that consumes lithium irreversibly, degrading the battery’s performance over time.
11th August 2015

MIT observes elusive Weyl points for the first time

MIT observes elusive Weyl points for the first time
Part of a 1929 prediction by physicist Hermann Weyl - of a kind of massless particle that features a singular point in its energy spectrum called the ‘Weyl point’ - has finally been confirmed by direct observation for the first time, says an international team of physicists led by researchers at MIT. The finding could lead to new kinds of high-power single-mode lasers and other optical devices, the team says.
24th July 2015

Amplifying small motions in large motions

Amplifying small motions in large motions
For several years now, the research groups of MIT professors of computer science and engineering William Freeman and Frédo Durand have been investigating techniques for amplifying movements captured by video but indiscernible to the human eye. Versions of their algorithms can make the human pulse visible and even recover intelligible speech from the vibrations of objects filmed through soundproof glass.
14th July 2015


Self folding 3D origami robot can swim, climb & walk

Self folding 3D origami robot can swim, climb & walk
At the International Conference on Robotics and Automation, MIT researchers presented a printable origami robot, which can fold itself up from a flat sheet of plastic when heated. Weighing only a third of a gram, the robot can swim, climb an incline, traverse rough terrain, as well as carry a load twice its weight. Other than the self-folding plastic sheet, the robot’s only component is a permanent magnet affixed to its back. Its motions are controlled by external magnetic fields.
13th July 2015

MRI & fluorescent imaging in one sensor

MRI & fluorescent imaging in one sensor
Massachusetts Institute of Technology (MIT) chemists have developed nanoparticles that can simultaneously perform Magnetic Resonance Imaging (MRI) and fluorescent imaging in living animals. Such particles could help scientists to track specific molecules produced in the body, monitor a tumor’s environment, or determine whether drugs have successfully reached their targets.
3rd July 2015

Repair system 'borrows' open source code to fix bugs

Repair system 'borrows' open source code to fix bugs
At the Association for Computing Machinery’s Programming Language Design and Implementation conference this month, Massachusetts Institute of Technology (MIT) researchers presented a new system that repairs dangerous software bugs by automatically importing functionality from other, more secure applications.
2nd July 2015

Friction free: superlubricity at the nanoscale

Friction free: superlubricity at the nanoscale
Physicists at the Massachusetts Institute of Technology (MIT) have developed an experimental technique to simulate friction at the nanoscale. Using their technique, the researchers are able to directly observe individual atoms at the interface of two surfaces and manipulate their arrangement, tuning the amount of friction between the surfaces. By changing the spacing of atoms on one surface, they observed a point at which friction disappears.
8th June 2015

Implant delivers drugs to tumour for impact analysis

Implant delivers drugs to tumour for impact analysis
More than 100 drugs are approved for cancer treatment, but predicting which ones will help a particular patient is an inexact science at best. A device developed at the Massachusetts Institute of Technology (MIT) may change that. The implantable device, about the size of the grain of rice, can carry small doses of up to 30 different drugs. After implanting it in a tumour and letting the drugs diffuse into the tissue, researchers can measure how effectively each one kills the patient’s cancer cells.
23rd April 2015

Cheap sensors use CNTs to detect rotting meat

Cheap sensors use CNTs to detect rotting meat
Massachusetts Institute of Technology (MIT) chemists have devised an inexpensive, portable sensor that can detect gases emitted by rotting meat, allowing consumers to determine whether the meat in their grocery store or refrigerator is safe to eat. According to Institute of Mechanical Engineers research published in the Guardian, a staggering 30-50% of the world's food (1.2-2bn tonnes) is thrown away without ever reaching a plate.
16th April 2015

Tiny Compound Semiconductor Transistor Could Challenge Silicon’s Dominance

Silicon’s crown is under threat: the semiconductor’s days as the king of microchips for computers and smart devices could be numbered, thanks to the development of the smallest transistor ever to be built from a rival material, indium gallium arsenide. The compound transistor, built by a team in MIT’s Microsystems Technology Laboratories, performs well despite being just 22 nanometers (billionths of a meter) in length.
11th December 2012

Teaching self-assembling structures a new trick

Researchers at MIT have found a new way of making complex three-dimensional structures using self-assembling polymer materials that form tiny wires and junctions. The work has the potential to usher in a new generation of microchips and other devices made up of submicroscopic features. The research is published this week in the journal Science.
8th June 2012


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