NASA probes 'drug-free' policies, safety at SpaceX, Boeing

The US space agency has ordered a sweeping safety review of operations and workplace culture, including drug-free policies, at Boeing and SpaceX, two companies working to send astronauts to space, US media said Tuesday.

Lessons of Chernobyl disaster, 30 years on

Ukraine next week marks the 30th anniversary of the Chernobyl disaster, when human error and flawed Soviet reactor technology led to the world's worst nuclear accident.

Car safety system could anticipate driver's mistakes

It may be a while yet before we have cars that drive themselves, but in the near future your car may help you drive. In particular, it could warn you when you're about to do something stupid.

National security vs. online privacy

One method for safeguarding online anonymity is Tor, "the onion router", whose name comes from its method of adding and stripping away encryption layer by layer as messages pass from one node to another in the network en ...

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