The world's smallest steam engine measures a few micrometers

What would be a case for the repair shop for a car engine is completely normal for a micro engine. If it sputters, this is caused by the thermal motions of the smallest particles, which interfere with its running. Researchers ...

Helping businesses defend against cyber threats

Analysts with the National Security Agency see the threats coming at corporate America: viruses, worms and other malware targeting the computer networks that serve the nation's banks, utilities and businesses.

Nonterrestrial artifacts hard to pin down

(PhysOrg.com) -- Two Pioneer probes left our solar system carrying plaques about humankind, and two Voyager probes will soon join them to gather information about places far out in our galaxy. We can and will send more autonomous ...

Symantec warns of new Stuxnet-like virus

US security firm Symantec has warned of a new computer virus similar to the malicious Stuxnet worm believed to have preyed on Iran's nuclear program.

A team for an emergency

Earthquakes, tsunamis, hurricanes -- natural disasters always catch us by surprise, no matter how many early warning systems are in place. This makes it all the more important for rescue teams to get a quick overview of the ...

US Air Force calls drone fleet virus a 'nuisance'

A computer virus that hit the US drone fleet last month created a "nuisance" but no serious threat to flight operations for the unmanned aircraft, the US Air Force said Wednesday.

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