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Appliance Science: The illuminating physics behind LED lights

Cnet - LED lights are the latest thing in home lighting, using less energy and lasting longer than their incandescent cousins. How do they work? Find out in the latest installment of Appliance Science.

Sahil3434d ago

I have yet to see any LED last close to the estimated life span, most die within 1.5 years.

Sahil3434d ago

The cost expense of LED alone vs the cost & energy savings when compared to a cfl which in the most will last 2+ years when ran 24/7 is still a much better savings at this point.

Sahil3434d ago

they are still too pricy & until they start offering 10 years of hassle free replacement without the need for a receipt (say register your purchase on the company website then print off RMA's that you can take with the bad bulb to any retailer for an exchange) then I will not buy into it.

Sahil3434d ago

do they have the FCC approved model with hidden microphones & wifi transmitter yet ?, lol

70°

James Webb Space Telescope finds 'extremely red' supermassive black hole growing

The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.

70°

15 Tips & Settings to Get the Most Out of Vision Pro

Vision Pro is here and it’s a surprisingly capable device. Apple has also loaded the headset with a ton of options and features that aren’t obvious at first glance.

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roadtovr.com
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Odysseus mission to be cut short after moon lander's sideways touchdown

Engineers expect to lose contact with the private US moon lander Odysseus on Tuesday, cutting short the mission after its sideways touchdown last week.

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news.sky.com