RSA Security has developed a countermeasure to block scanning of radio-frequency ID tags, responding to privacy concerns about the tiny devices that would allow retailers and manufacturers to track the whereabouts of their goods within a store and beyond.

The space elevator starts with a basic platform in the ocean, near the equator. Attached to the platform is a paper-thin ribbon no more than a metre wide that stretches 100,000 kilometres into space, about one-quarter of the way to the moon. There it’s tied to a satellite that pulls the ribbon taut and keeps […]

In 1997 the three cosmologists Stephen Hawking, Kip Thorne and John Preskill made a famous bet as to whether information that enters a black hole ceases to exist — that is, whether the interior of a black hole is changed at all by the characteristics of particles that enter it.

Pixelito is the latest member of the ever growing Pixel Radio Controlled Helicopter family. It’s been a fantastic journey since the birth of the Pixel 1 in 1997.

Piloted by hamsters…

Nearly half of U.S. Internet users have built Web pages, posted photos, written comments or otherwise added to the enormous variety of material available online, according to a report released on Sunday.