Beamer Blasters: BMW's Laser Headlights


At a mere ten microns in size, laser diodes are potentially a hundred times smaller than LED diodes. Lasers can also be upwards of 1,000 times brighter (and even purer white), which is just what you want flashing through your rear-view mirror at night.


And if you're not sold yet, at 170 lumens per watt, lasers are nearly twice as efficient as LEDs, which will likely save you pennies every time you fill up your tank.

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