The Future's So Bright

A flashlight made from high-output LEDs is not for the fainthearted

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If you think LED lighting is for wimps, you should look at—not into—the FireSword-IV. It packs roughly the same light output as a 200-watt incandescent bulb. Parabolic reflectors point most of that light into a beam that can illuminate the landscape dozens of meters away.

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