Oranges are an excellent source for Vitamin C and apparently electricity as well. The above calculator is powered by zinc-plated screws and pennies located inside the orange.

From the article: “The students in my electronics workshop wanted to see a battery made out of food. If you try this, don’t eat the orange afterwards!”

[via MAKE]

Oranges are an excellent source for Vitamin C and apparently electricity as well. The above calculator is powered by zinc-plated screws and pennies located inside the orange.

From the article: “The students in my electronics workshop wanted to see a battery made out of food. If you try this, don’t eat the orange afterwards!”

[via MAKE]