Physics and Astronomy News Archive: September 2011
Neutrinos Detected at Faster Than Light Speed
Source: CERN Posted: 9/23/11 The OPERA result is based on the observation of over 15000 neutrino events and appears to indicate that the neutrinos travel at a velocity 20 parts per million above the speed of light, nature’s cosmic speed limit.
Smarter robot arms
Source: MIT Posted: 9/22/11 A combination of two algorithms developed at MIT allows autonomous robots to execute tasks much more efficiently — and move more predictably.
Shake, rattle and … power up?
Source: MIT Posted: 9/18/11 Researchers at MIT have designed a device the size of a U.S. quarter that harvests energy from low-frequency vibrations, such as those that might be felt along a pipeline or bridge.
Quantum computing with light
Source: MIT Posted: 9/9/11 A switch that lets one photon alter the quantum state of another could point the way to both practical quantum computers and a quantum Internet.
'There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there. All great discoveries have involved such a leap. The important thing is not to stop questioning.'