Virgin Galactic rocket ship ascends from New Mexico

Virgin Galactic on Saturday made its first rocket-powered flight from New Mexico to the fringe of space in a manned shuttle, as the company forges toward offering tourist flights to the edge of the Earth's atmosphere.

New chip opens door to AI computing at light speed

University of Pennsylvania engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing ...

Scientists identify heat wave at bottom of ocean

The 2013-2016 marine heat wave known as "The Blob" warmed a vast expanse of surface waters across the northeastern Pacific, disrupting West Coast marine ecosystems, depressing salmon returns, and damaging commercial fisheries. ...

Inverted polymer solar cell efficiency sets world record

(Phys.org)—For many years, researchers have strived to reach the goal of 10% efficiency for polymer-based organic photovoltaic (OPV) solar cells, a target widely considered to be the threshold for commercial applications. ...

Japan to revise northern Pacific sei whaling program

Japanese fisheries officials said Thursday they will revise one of the country's two main research whaling programs after an international organization said selling meat from killed sei whales violates a convention protecting ...

Ozone across northern hemisphere increased over past 20 years

In a first-ever study using ozone data collected by commercial aircraft, researchers from the Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder found that levels of ...

New 311mph maglev train in Japan passes initial tests

(Phys.org) —Engineers with Central Japan Railway Co. have put their newest maglev L0 train through initial testing and report the new high-speed train is on course for commercial deployment by 2027. The train will eventually ...

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