News tagged with radio signal

Secure radio signal for central locking

( -- Remote central locking is among the most convenient aspects of modern motoring. Transmission of the radio signal that activates the system is not particularly secure, however. A new encryption technique increases ...

dateFeb 01, 2010 in Engineering
shares0 comments 0

The Sun's Sneaky Variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. Clouds of gas ...

dateOct 28, 2009 in Space Exploration
shares0 comments 5

Helicopter drones on Mars

NASA's Jet Propulsion Laboratory recently announced that it is developing a small drone helicopter to scout the way for future Mars rovers. Why would Mars rovers need such a robotic guide? The answer is that driving on Mars ...

dateMar 18, 2015 in Space Exploration
shares30 comments 1