Curiosity's second day on Mars 'flawless': NASA

NASA rover Curiosity's second day on Mars went "flawlessly," NASA said, confirming the antennas, communication links and generator on the $2.5 billion robot are all working well.

Engineered metamaterials enable remarkably small antennas

In an advance that might interest Q-Branch, the gadget makers for James Bond, the National Institute of Standards and Technology and partners from industry and academia have designed and tested experimental antennas that ...

Microdrones with light-driven nanomotors

A hand-held laser pointer produces no noticeable recoil forces when it is "fired"—even though it emits a directed stream of light particles. The reason for this is its very large mass compared to the very small recoil impulses ...

page 5 from 40