After spending most of Monday evening unsuccessfully trying to help a friend resuscitate a phone that had been swamped on a dock, I’m thinking more companies need to follow Fujitsu, which just unveiled a super-thin, completely waterproof mobile called the F704i. Sidney—no, that's not her in the picture—went with the sinking-the-phone-in-a-bowl-of-rice trick over various others, including alcohol immersion. But if you’re the active type, and around the water enough, the F704i just seems to make a lot more sense than resorting to Uncle Ben's for help. And it’s more than splash-proof, too. Apparently the phone can be submerged for up to 30 minutes. For now the F704i is available in Japan only, but I’m hoping it gets here before too long.—Gregory Mone
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.


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FYI, Casio has the G'Zone phone for sale in the US - only on Verizon - and it's waterproof to the same specs. The first model is kind of ugly; the second one looks a lot better.
Nextel used to offer a number of ruggedized Motorola phones, but they seem to be downplaying that since they merged with Sprint.
As a kayaker, I would love a phone I don't have to zip into a drybag; I wish each US carrier (or at the very least, mine) offered one.