Visions of a sweet future
Depending on who you ask, these long-ignored, widely-scattered elements are either a dealbreaker or no problem at all
Arun Majumdar has to decide which researchers will get millions of dollars, and he has to do it fast. He must spark an energy revolution within 20 years, or it's lights out for us all.
Tim Bendel's off-the-shelf powerplant for the burgeoning private space industry. Watch him discuss it
Its creations earn patents, outperform humans, and will soon fly to space. All it needs now is a few worthy challenges
Harry Schoell's engine uses superhot steam to make a cleaner, more efficient car. With video of the inventor demonstrating the engine
Green cars galore! The U.K.'s largest auto show debuts a slew of sexy new fuel-sippers
Wind, solar, tidal—all are battling for the renewable-energy crown, but what about the six billion highly efficient short-stroke engines in our midst? What about us?
High-speed movie cameras can shoot up to 20 million frames in the blink of an eye. The world is a mighty interesting place in ultimate slo-mo.
A 21st century electric-car revival is under way. But the first challenge—building a cheap, safe, powerful battery—is the hardest
He just needs to get it to them
More Military-Civillian Technology Fisticuffs: Who's Got The Edge?
As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls
Q&A; with Sen. George Allen (R-Va.)
* that's a big, fat "might"
Two desktop-printer engineers quit their jobs to search for the ultimate source of endless energy: nuclear fusion. Could this highly improbable enterprise actually succeed?
Minneapolis ranked first among U.S. cities in innovative transportation solutions, fourth in energy technology.