Thirty-five millimeter film is dead. Everyone over the age of nine now owns a three-megapixel digital camera with a 10X optical zoom. Parents upgrading to telescopic lenses are passing down their relics to kids who can’t aim and have never loaded a roll of film. In the digital revolution, the disposable camera was merely an innocent bystander (along with Polaroid). But at dive shops and drug stores, the single-use underwater film camera has survived as the practical option for honeymoon photography and pool party documentation. With the recent launch of the 5.0-megapixel Digital Underwater Camera Mask from Liquid Image ($99; a 3.1-megapixel version costs $79), the end is near. To see how potent the gadget could be, I spent an afternoon underwater attempting to document a most difficult subject matter: two kids under the age of seven.

See Ted Allen and your favorite Popular Science editors on "Food Detectives" every Tuesday night.

Dave Arnold would like to fix you a gin and tonic. Sound good? It will be. It will be very, very good. It will be like no gin and tonic you have ever seen or tasted in your life. It will also be considerably more involved, shall we say, than cracking open the Tanqueray and Schweppes.

Although high-def camcorders shoot incredible detail, they are a far cry from Hollywood gear. But the Red Scarlet, due out later this year, will capture five-megapixel video frames, picking up more than twice the detail of high-def camcorders and rivaling the eight-megapixel flicks that A-list directors are starting to shoot.

World of wires got you down? Clear the clutter with your very own fire-proof gadget charging station. Editor Mike Haney shows how a power drill and some tape can transform a bread box into a pint-size panic room just for chargers.

In each issue, PopSci rounds up the must-have products for the month. This June, check out dozens of the hottest new products: from the smallest pro camera to a eco-friendly mower to a frame that prints out its shots.

AstroTech’s ultra-compact telescope is priced for amateurs, yet it rivals larger, more expensive models. By packing in three glass lenses, it focuses red, green and blue light all at a single point. This eliminates the blurry, bluish halo in two-lens amateur scopes, which focus blue light in a different spot than red and green.

As many as 320,000 U.S. troops may have sustained brain injuries in Iraq and Afghanistan, yet less than half of them were evaluated by doctors. But now the Wall Street Journal is reporting that the Pentagon is funding a project to develop a device that would do on-site testing for brain trauma, and be tough enough to hold up in a war zone.

The gadget, which is being developed by neurosurgeon Jamshid Ghajar and his team at Weill Cornell Medical College, will use eye-tracking technology to measure the brain's health.

Carry a different phone for every situation, whether youre traveling light or blasting tunes in your car. On its own, Modu is one of the smallest, lightest cellphones yet. But when you want to do more than basic calling, pop it into a new outer shell to give it features like a full keyboard, a wider display or a longer-lasting battery.

A new low-cost, nanotech-based approach to power generation developed by researchers at Boston College and MIT could lead to cleaner-running semiconductors, air conditioners, car exhausts and more. The technique, published online yesterday in Science, uses the nanostructures to dramatically increase thermal efficiency.

Forgot your charger? No problem. Scientists have developed a microfiber fabric that can generate enough electricity to juice up a cell phone or a mini-music player. If turned into clothing, the fabric would get its power from the action of your daily movement. The material uses zinc-oxide nanowires that are arranged in pairs—one wire in each grouping is coated with gold, and serves as the electrode. When the fabric moves, the wires move and bend, and the fabric translates this mechanical energy into electricity.