LED Lights
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A failed flashlight bulb in the cockpit can be serious. Even if there’s a spare handy, changing it can be a challenge in the dark or in turbulence.
How about a flashlight with a bulb that never burns out, or at least not for tens of thousands of hours? How about a light with batteries that last days, not hours?
Were talking about flashlights that use LEDs (light emitting diodes) instead of conventional incandescent bulbs. Yes, these are the same LEDs weve seen in electronic equipment-cheap key ring lights and the like-for years. The problem has been that while LEDs came in an array of colors, they werent available in white, until recently, when a white LED was fin…