Much like the fictional cleaning robot currently packing movie theaters, these four robots are being used to clean humanity’s worst messes.
The new Steve Carell comedy makes our movie geek's top 10 list in the evolving combination of gadgets both ludicrous and hilarious.
Prepare for NASA-worthy g-forces, blistering speed and the ride of your life: PM takes you behind the cutting-edge tech of America's steepest new ride ... with video!
Military & Law Enforcement
The agencies chiefs were forced out, and
reports say a mishandling of nuclear weapons was the last straw. We look at three lessons from the nuke run.
A new alien video reveals an alleged close encounter is of a new kind. Experts agree the digital invasion of UFO evidence has gone too far.
After years of hype as the mucky green grail of the oil crunch, algae is finally taking on its "impossible" hurdles to move from test tubes to barrels.
NASA's Phoenix Mars Lander didn't blow up—it shot these breathtaking images of the Martian arctic surface.
Jamie breaks down his new experiment: pitting a Ferrari, Harley, ATV, compact car and go-kart against each vehicle's electric counterpart.
The third-world laptop returns with the XO-2 tablet. But high-priced screens make the $150 target "impractical," says an Apple manufacturer. What now?
With a little effort and expense, we turned a PS3 into a Linux computer—without losing any of its gaming goodness. And we're giving it away.
How 10 million robotic photos, Google Earth and simulators influenced by video games turned a green-screen dream into summer's best action scene.
Yahoo played hard-to-get, and Microsoft walked away, but what would a merger have looked like? Engadget's legal geek weighs in.
The most comprehensive, up-to-date scouting report on the field for the 100-mpg car of tomorrow.
From super-efficient cars with room for 11to entire cities encapsulated by one roof, he made Frank Lloyd Wright look positively normal.
After the Wii Fit, kick back with Nintendo's Virtual Console: instant downloads of retro games. Here are some titles still missing.
Looking way beyond ethanol, scientists have begun harnessing bacteria to produce eco-friendly hydrocarbons en masse by 2010.
In his first interview since being named host of NBC's new version of the cult car show, Adam Carolla spits out some gearhead details.
Could nano-enriched feed help chickens poop out pathogens and keep your table clean? Scientists may have found a safer option.
Even as a twister killed four Boy Scouts, scientists tested a radar network that bounces signals from the sky to Wi-Fi for real-time reaction.
As rising crests move into Missouri, scientists have rigged high-end DLP projectors and set out to tell Americans where
not to risk it next time.
Could personal transporters save gas
and stop WMDs? PM crisscrosses America and finds more people buying them than ever before.
The class of '08 moves on, we look at projects (from a Google Android program out to beat the new iPhone, to a low-tech solution for Sudanese farmers) with big potential.
Military & Law Enforcement
PM maps the arms race between Russia and the U.S., with six hotspots and a snapshot of weapons deals.
In one of three expert analyses for PM,
Lost geek Adam Savage explains why Thursday's episode changed his theories on the future of our favorite sci-fi show.
Google's $20M purse is open to all, but to take your best shot at winning, you'll need a good game plan. PM's ultimate DIY guide can help you beat NASA to the moon.
Our guest MPG geek breaks down the vehicle mods, driving habits and common-sense fixes you need to know to max out your tank.
Nano implants, virus-busting lasers, precision cancer killers and more breakthroughs for your body of the future.
700 miles, 5 new nav units, no manuals. We pick the best mapping devices for summer road trips on the road and in the lab.
As the show returns, its creators reveal the making of high-tech mythology—and let slip a few secrets about the island’s future.
Before the summer blockbusters, PM's resident geek traces the decline of our favorite genre—and looks for a future fix.
PM's report on fixing U.S. infrastructure examines new plans for bridges and beyond.
We salute the top 16 products and projects for saving money, energy and water in your eco-friendly home.
Some came out within the last few months, and others you'll have to wait until later in the year. All are on our wish lists for birthdays, holidays, tax-return sprees and everything in between.
The return of the Dodge Challenger is just one of several live unveils of new cars from the Windy City this week.
The Democratic race winds down as Hillary Clinton tries to hang on against Barack Obama. Get behind their policies—and John McCain's—with PM's Geek the Vote '08 guide.
Cobra XRS 9950
"It works as advertised, blurting out a voice warning whenever red-light or speed-enforcing cameras are in your path."
Browse over 200 expert reviews (now with video), plus compare constantly updated specs on up to four brand-new cars and trucks at once.
The presidential race hangs in the balance, and PM compiles the candidates' science and tech proposals.