Lettuce vending machine
After a nuclear holocaust has blocked out the sun or rampaging zombies have taken over our farmland there is finally a device that will guarantee we can still grow vegetables in the dark. This Japanese lettuce-growing vending machinet doesn’t require sunlight (it uses fluorescent bulbs) and it can churn out a surprising yield of lettuce: 60 heads a day, or over 20,000 a year.
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