The Drake Equation revisited: An interview with Sara Seager

Planet hunters keep finding distant worlds that bear a resemblance to Earth. Some of the thousands of exoplanet candidates discovered to date have similar sizes or temperatures. Others possess rocky surfaces and support atmospheres. ...

'Flawless': NASA craft lands on Mars after perilous journey

A NASA spacecraft designed to drill down into Mars' interior landed on the planet Monday after a perilous, supersonic plunge through its red skies, setting off jubilation among scientists who had waited in white-knuckle suspense ...

First self-powered device with wireless data transmission

Scientists are reporting development of the first self-powered nano-device that can transmit data wirelessly over long distances. In a study in ACS's journal Nano Letters, they say it proves the feasibility of a futuristic ...

Researchers debut battery-less pacemaker

A wireless, battery-less pacemaker that can be implanted directly into a patient's heart is being introduced by researchers from Rice University and their colleagues at the Texas Heart Institute (THI) at the IEEE's International ...

Many fliers refuse to turn off electronic gadgets

Gadget-dependent fliers are turning a deaf ear to flight attendants' instructions to turn off their devices during takeoff and landing, despite decades of government warnings, a USA TODAY investigation shows.

Smart meters raise suspicions

Coast to coast, from Maine to Marin County, Calif., the number of homes being outfitted with smart meters that keep a close eye on homeowner electricity use is on the rise. And so is the number of folks who think smart meters ...

Government wants to make cars talk to each other (Update)

The Obama administration said Monday it is taking a first step toward requiring that future cars and light trucks be equipped with technology that enables them to warn each other of potential danger in time to avoid collisions.

Ex-MIT company rethinks power-feasting amplifiers

(Phys.org)—Technologists generally agree that power amplifiers have proven to be inefficient pieces of hardware. Turning electricity into radio signals, they eat into the battery life of smartphones and they waste power. ...

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