Infrared avalanche photodiodes from bulk to 2D materials

The avalanche multiplication effect can be used to detect low-power optical signals and even single photons due to the amplification mechanism within all main ranges: near- (NIR), short- (SWIR), mid- (MWIR) and long wavelength ...

Hilary weakens to tropical storm heading for California

Hurricane Hilary weakened to a tropical storm Sunday as it barreled up Mexico's Pacific coast, but was still likely to bring life-threatening flooding to the typically arid southwestern United States, forecasters said.

'Forever chemicals'? Maybe not

Dangerous "forever chemicals" left in the soil from firefighting foam could be destroyed by grinding, according to a proof-of-concept study by University of Auckland scientists collaborating with the U.S. Environmental Protection ...

NASA picks Lockheed Martin to develop nuclear rocket

NASA and the US military said Wednesday they had selected defense contractor Lockheed Martin to develop a nuclear powered rocket, with a view to using the technology for missions to Mars.

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