A do-it-yourself ethic, low-cost tools, open-source software, and salvaged manufacturing equipment were among the pieces required to make startup Bosavi headlamps happen. GearJunkie gets the scoop from company founder Dan Freschl.

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In 2012 we drive cars that give voice directions and have phones equipped with robot personal assistants. Now fitness freaks can clip on a mini "personal fitness coach" device to get real-time feedback as they run.

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Look ma, no gears! The shifting on this city bike does not involve traditional gears. Instead, large ball bearings inside a rear-wheel hub area control resistance as you pedal for power and speed.

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A website unveiled this week at the South by Southwest Interactive Conference lets you "hike" more than 300 miles of trails on your computer screen. Explore Grand Canyon, Great Smoky Mountains and Yellowstone with the click of a mouse.

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Screw on your Coke bottle and hook up the hose. The JetFlow is a simple threaded converter that comes with three feet of hose and can work in a backpack with a disposable bottle to make an ad hoc hydration system.

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Tight, posture-controlling shirts from Intelliskin are advertised to make you "look, feel and perform" better. Our reviewer squeezed into one of the company's shirts for a test of the science-heavy garment.

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As the literal "brainchild" of a Swedish neurosurgeon, a company called MIPS AB introduced a new type of head protection to the helmet industry a couple years back. More companies are embracing MIPS this year.

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BioLite stoves burn wood, heat water, and generate electricity to charge phones, lights, GPS devices, and other devices on the side. Will this "flame-for-electricity" concept eliminate a need for solar or extra batteries on backcountry trips?

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Ski goggles, they're not just for eye protection anymore! A new product announced today in Utah at the Outdoor Retailer trade show, Zeal Optics unveiled what it's calling an "industry-changing goggle" that has an HD video camera built-in.

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The Petzl NAO, a new headlamp, uses sensors to adjust its beam "instantly and automatically" depending on what you're looking at. GearJunkie got a sneak peek at the potentially game-changing technology.

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