TAMPA, Fla. — The capability for troops and special operators to detect something on the perimeter of a base camp or out in the field just got smarter. Standard Comms presented its Smart Sound ...

Federal scientists are looking for evidence that a bolt of electricity in the upper atmosphere might have doomed the space shuttle Columbia as it streaked over California, The Chronicle has learned.

Cocoon is more of a smart guard dog than a security system – it listens out for noises that the human ear can’t detect. Combining an HD video camera, motion sensors and infrasonic detectors, the ...