thruster

The Next Space Thruster

Rockets burn for mere minutes. This engine runs for years, sending probes to Neptune at 10,000 miles an hour

NASA's Ion Engine

1. Charge the Fuel
Xenon is an inert gas, seemingly useless for rocketry. Before it´s used as fuel, the engine must convert it into an electrically charged gas, also called a plasma. An electron emitter fires electrons at the xenon gas. When an electron hits a xenon atom, it strips off an additional electron from the atom´s shell to create a positively charged xenon ion.

[ Read Full Story ]
BOWN Block Header

speedy The Fastest Swimsuit on Earth
"At the Beijing Olympic pool, perhaps the only star bigger than Michael Phelps was his swimsuit. The Speedo LZR (pronounced "laser"), like Phelps, didn't disappoint: 16 of the 32 gold-medal winners wore the full-body suit, and another 13 wore LZR pants."
[Read full story]

speedy A Finish that Repairs Itself
"It won't save you from a key-gouging vandal, but the finish on the 2008 Infiniti EX and FX-model SUVs can erase scrapes caused by, say, car washes or stray branches."
[Read full story]

speedy Boeing Advanced Tactical Laser
"Truck-mounted IED-destroying lasers have already been tested in Iraq, but firing lasers from an airplane is a more difficult proposition."
[Read full story]

speedy A Spit Test for Heart Attacks
"This year, San Antonio EMT crews began using a spit test that detects cardiac arrest faster, more accurately and more cheaply than other diagnostic tests."

[Read full story]

Flickr Block Header

Share your photos in the Pop Sci pool at www.flickr.com!
Current theme: Spooky Science
Our latest winner

Subscribe for 2 free issues!

POP_embeddedForm_cover.jpg