Featured in September 2009
Gone In a Flash: Burning Diamonds With a Torch and Liquid Oxygen
Diamonds are for, well, a couple seconds
The Ultimate Modern Day Study Gear
From the ultimate desk chair to the pen that saves a digital copy of everything it writes, this is the...
PopSci U: Seven of the Country’s Coolest SciTech Courses
As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls
“Quantum Quest” Brings Cassini to the Big Screen (Starring William Shatner as Every Star in the Universe)
Harry Kloor may be the world’s most well-rounded nerd. He is the only person to have earned doctorates in physics...
A Dental Filling Made from Bile and Silica
The ancient Greeks thought an excess of bile could make you angry or melancholy, but Julian Zhu thinks the digestive...
Ask a Geek: With Netbooks So Cheap, Why Buy a Laptop?
One word: performance. If you’re a gamer, a designer or a movie lover, you’ll need a full-fledged laptop. Even low-end...
You Built What!? Lrry, A Fire Breathing Robo-Beast
Meet Lrry, a part-equine, part-reptile fire-breathing monster
FYI: Is There a Scientific Way to Measure How Bad a Fart Smells?
You’re in luck. For their senior project, two Cornell University computer-engineering whizzes recently built a machine that does just that....
How Much Can You Really Learn With a Free Online Education?
The world’s most prestigious universities have begun posting entire curricula on the Web—for free. Is there such a thing as a free higher-education lunch? I enrolled to find out
30-Second Science: Applied Math
Three new ways math can help you stay awake, clear clogged drains, and solve ancient mysteries