This lamp is the Gravia Lamp.
Gravia Lamp is a super green LED floor lamp that makes use of gravity to generate power for it to glow for hundred years. The Gravia Lamp is the LED lamp that is completely free from electrical cable or any related structure as it needn’t be attached to any power source to shine for you.
The Gravia Lamp makes use of slow fall of a mass to spin a rotor to generate electricity to power up its 10 built-in high-output LEDs. And the lamp has a unique way of turning it on, which works more or less like any hour-glass mechanism. To turn it on, you’ll have to turn it over to move the weights from the bottom to the top of the lamp and then it’ll start its slow falling journey to generate electricity to power the LEDs up and shine the way for you.
The Gravia Lamp is a Virginia tech student’s project, who won the designer, Clay Moulton, the first place of the Greener Gadget award. It’s claimed that this lamp can be used for 200 years at 8 hours a day!
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