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This is really interesting. I'm tempted to attach red LEDs to a battery and put it in the fridge. But it would be quite tricky to measure whether it works. (Alm
by LudoA 8y ago
This is really interesting. I'm tempted to attach red LEDs to a battery and put it in the fridge. But it would be quite tricky to measure whether it works. (Almost impossible to do accurately, without different fridges.)
- londons_explore 8y agoPut two cardboard boxes in a fridge. Put a leaf of lettuce in each, and a red LED in the top of each box. Turn one LED on, while the other stays off. Observe the leaves of lettuce after a week.