Featured in December 2009
FYI: Can A Paper Cut Be Deadly?
A person with normal clotting ability would have to lose nearly 40 percent of his blood immediately to die of … Continued
Gray Matter: DIY X-Ray Photos
With some film and a saltshaker, you can take radioactive pictures
FYI: Would a Helium-Filled Balloon Float on the Moon?
A helium balloon on the moon might as well be made of lead. For any balloon to stay aloft in … Continued
FYI: Why Don’t Loud Snorers Wake Themselves Up?
A husband’s snoring might keep his wife awake, but there are a couple of reasons he’ll sleep through his own … Continued
Reinvention of the Month: An Electric Unicycle Transforms Into a Safer Two-Wheeler
Between napkin sketch and showroom floor, nearly every invention undergoes substantial redesigning. For Ben Gulak’s Uno, a motorized, self-balancing unicycle … Continued
Human Blood May Hold the Secret to Clean Coal
As geologists probe the world’s rocky sediments for spots to safely store carbon dioxide underground, engineers are working on the … Continued
Build It: The Persistence of Vision Wall Clock
Make a wall clock with a mesmerizing display
You Built What?! The Luxury Motorcycle Sidecar
A French builder attaches the body of a sports car to a motorcycle
Something in the Water Is Feminizing Male Fish. Are We Next?
It’s one thing to worry about pollutants in our freshwater supply. It’s another to find out that all across the … Continued
Best of What’s New 2009: The Year’s 100 Greatest Innovations
Innovation manifests itself in myriad ways: groundbreaking, revolutionary bursts we'd never before imagined possible, or in more nuanced but no less brilliant refinements of existing technology. And while this year's...