This material developed at MIT is built from wax and foam and can switch between hard and soft states. Applications include surgical robotics and robots for search-and-rescue operations.
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Neurogrid: Super Fast & Efficent Circuit Board Based on the Human Brain
| video (2:19) | 1,235 views
Stanford University scientists have developed a circuit board modeled on the human brain that is 9,000 times faster than a typical PC and could open up new frontiers in robotics and computing. Neurogrid is a circuit board consisting of 16 custom-designed "Neurocore" chips. Together these 16 chips can simulate 1 million neurons and billions of synaptic connections. The team designed these chips with power efficiency in mind. Their strategy was to enable certain synapses to share hardware...
Thinnest-Known, Foldable LED for Integrated Electronic Devices
video | 616 views
University of Washington scientists have built the thinnest-known LED that can be used as a source of light energy in electronics. The LED is made from flat sheets of tungsten diselenide, a member of a group of two-dimensional materials that have been recently identified as the thinnest-known semiconductors. The scientists use regular adhesive tape to extract a single sheet of this material from thick, layered pieces. In this video, a University of Washington researcher demonstrates the...
World’s First 3D Acoustic Cloaking Device Hides Objects from Sound
| video | 1,714 views
Duke University engineers have demonstrated the world’s first three-dimensional acoustic cloak. Their device reroutes sound waves to create the impression that both the cloak and anything beneath it are not there. It works in all three dimensions, no matter which direction the sound is coming from or where the observer is located, and holds potential for applications like sonar avoidance. The geometry of simple plastic sheets and placement of holes interacts with sound waves to make the...
Magnetically Actuated Micro-Robots for Smart Manufacturing of Macro-Scale Products
| video (2:36) | 1,842 views
Researchers at SRI International, a nonprofit independent research center, are developing new technology as part of DARPA's Open Manufacturing Program to reliably control thousands of micro-robots for smart manufacturing of macro-scale products in compact, integrated systems. The micro-robots are controlled by magnetic fields generated by a printed circuit board substrate and their maximum speed so far has been 35 cm/s. They can climb up walls or travel on flex circuits in any orientation....
NASA Telescope Reveals Mystery of How Stars Explode in Supernovas
| video (0:59) | 2,357 views
One of the largest mysteries in astronomy - how stars blow up in supernova explosions and seed the universe with elements like gold and iron - is being resolved with the help of NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). NuSTAR has created the first map of radioactive material in a supernova remnant called Cassiopeia A, and the results reveal how shock waves likely rip apart massive dying stars. "Stars are spherical balls of gas, and so you might think that when they end their...