Tech news tagged ‘LED’

LED car headlights – a subtle problem

Slightly more finesse may be required from car manufacturers when they incorporate headlights with LED main beams.

In these dark winter days, the friendly driver’s thank-you wave becomes the friendly thank-you main beam flash.

I expect most car drivers do it…

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An Engineer in Wonderland – 15,000 lm torch

LED torch maker 4sevens has demonstrated the production version of its 15,000 lm XM18 torch – or flashlight as the company would say.

Take a look at this video over at Geeky Gadgets


Should you feel the need, respond to with ‘Torch’ in the title.


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An Engineer in Wonderland – Missing the point of LED streetlights

It seems like streetlight buyers are sacrificing efficiency by specifying white LEDs with high colour rendering index (CRI) – scroll way down to ‘CRI: an obsession’ Which is odd, because one of the reasons for moving to LEDs is to increase efficiency, and streetlights are pretty efficient already, so you have…

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