A lemon battery powers an LED. From the Make: Flickr Pool.
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4 thoughts on “Lemon-powered LEDs”
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A lemon battery powers an LED. From the Make: Flickr Pool.
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Comments are closed.
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Please stop calling these things fruit-powered.
The fruit is just a sack of acidic fluid that activates a copper-zinc battery. It’d be like calling a lamp kinetic-powered because you have to flip the light switch.
lemons must be dirt cheap elsewhere – here, fresh lemons are $1.59 each (not a pound!)
use paper cups and some white vinegar; save the lemons for tea and cocktails.