Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser light and measuring the time it takes for reflected photons ...
Optics & Photonics
Nov 29, 2013
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A phenomenon in the Indian Ocean that affects events in southeast Australia is helping to predict extreme weather up to six months in advance.
Earth Sciences
Nov 29, 2013
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This image from Japan's ALOS satellite shows the Aorounga Crater in northern Chad.
Space Exploration
Nov 29, 2013
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The hot and energetic Universe and the search for elusive gravitational waves will be the focus of ESA's next two large science missions, it was announced today.
Astronomy
Nov 29, 2013
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(Phys.org) —Tens of millions of stars and galaxies, among them hundreds of thousands that are unexpectedly fading or brightening, have been catalogued properly for the first time.
Astronomy
Nov 29, 2013
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(Phys.org) —The frictional characteristics of nanotextured surfaces cannot be fully described by the framework of Amontons' laws of friction, according to new research from the University of Bristol, published in ACS Nano.
Nanomaterials
Nov 29, 2013
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Brazil's state-owned telecom provider Telebras signed a $560 million contract to deliver a satellite for secure communications on Thursday, following months of outrage over revelations of US cyber-spying.
Telecom
Nov 29, 2013
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Twitter just issued its IPO but a lingering question is how the popular worldwide microblog company will turn a profit. One U.S. company thinks it has found one way to help Twitter, and itself, make money.
Internet
Nov 29, 2013
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A Chinese government-backed environmental group said Friday it has launched legal action against state-owned oil giant PetroChina for almost $10 million over pollution.
Environment
Nov 29, 2013
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China is to start removing treasures from its greatest ever marine archaeological discovery, six years after the wreck was raised from the seabed in a giant metal box, reports said Friday.
Archaeology
Nov 29, 2013
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