Along with annoyingly adhering to your TV screen and tabletops, dust can be a deadly material, exploding with enormously destructive force in places like coal mines, sugar refineries and grain silos. The explosive properties of normal dust are pretty well known, but what about non-traditional dust?
Barack Obama, the country's first nerd president, is scheduled to appear on the TV show "Mythbusters," he said at the White House today. We are thrilled that in this difficult time, the president would put petty politics aside and exercise his inner geek.
PackBot, iRobot's longtime military robot, is getting some new cousins that just may be the most efficient cleaner bots yet. Nicknamed Warrior, the PackBot lookalike launches a rocket that tows a string of grenades to blow up land mines, barbed wire or other obstacles.
iRobot unveiled Warrior over Memorial Day weekend, and this impressive video (after the jump) might make you proud to be a robot-loving American.
This rocket car shot along at 90 miles an hour on a different sort of alternative fuel: liquid oxygen. The driver ended up being killed in an explosion at a later trial, but its inventor insisted that the successful first run proved "the scientific possibility of driving vehicles this way."