Soon people will be able to shop in a store and leave without checking out. Ubiquitous “scan your own items” checkout lines will disappear and remote wireless RFID readers will tally up the items in…

Much has been made of the danger of meteors to the earth over the past several months but a more imminent, albeit smaller threat, is the existence of tons of space junk revolving around the…

Cyber attacks are a brand-new type of warfare. Cyber attacks are usually covert and difficult to detect. At the same time the stakes in human and financial terms are much higher than traditional battlefield entanglements.…