Ted Berger has spent the past decade engineering a brain implant that can re-create thoughts. The chip could remedy everything...
NASA eyes a launchpad escape plan nearly as thrilling as the blastoff
Forget rockets. All you need to launch a satellite is a sled and a giant magnetic slingshot
Homeland Security eyes high-power lasers for protecting commercial flights. Click inside for video
Toxin sniffers, missile jammers, dirty-bomb detectors: Will a new security arsenal make us safer?