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www.reference.com/science/potato-battery-work-514013e6e8d9433e

Potato batteries use the acids in the potato to start a reaction with two electrodes made of different metals that cause electrons to flow from one to the other through the potato, producing power. The potato acts as a salt bridge, connecting the anode, or negative electrode, to the cathode, or posi

www.reference.com/article/many-types-potatoes-1afc17262b6f11d2

According to The United States Potato Board, seven types of potatoes are commonly enjoyed by consumers: russet, long white, round white, fingerlings, red, yellow and blue or purple. The potato industry refers to them as table-stock varieties.

www.reference.com/article/potatoes-bad-e6582608711704d4

Potatoes do eventually go bad. Their exact shelf life depends on the type of potato, but most go bad after two to five weeks at room temperature or two to four months in a refrigerator.

www.reference.com/article/can-grow-potato-potato-885b988c8c12cb80

A potato that is sprouting can be planted in order to grow more potatoes, according to GrowVeg.com. Potatoes that haven't started sprouting, however, are dormant and won't grow until dormancy has been broken.

www.reference.com/article/potato-diseases-6f10d751f9e15daf

Potato diseases include infestations of the root, leaves and tubers caused by bacteria, fungi and other viruses. Common potato diseases include potato wart, soft rot and potato blight, according to the American Phytopathological Society. A complete list of potato diseases can be found on the U.S. De

www.reference.com/article/potatoes-bad-eat-4429fac04e714370

Potatoes that have green skin spots, are moldy or develop sprouts are potentially bad to eat. While moldy or mushy potatoes should be discarded, it is possible to save a potato with a green skin spot or sprout if this part is completely cut away.

www.reference.com/article/potatoes-carbohydrates-9e0555b56a53d7b

There are 63 grams of carbohydrates in one large russet potato. A large sweet potato supplies about 37 grams of carbs. Both types also offer significant amounts of vitamin C and fiber and contain no fat.

www.reference.com/article/potatoes-making-potato-salad-c6c5115b556482c8

Waxy potatoes that are low in starch are best for making potato salad. These types of potatoes include the red-skinned potato, yellow potato, fingerling potato, white potato and purple/blue potato.

www.reference.com/world-view/difference-between-sweet-potato-white-potato-c288f76057388d2c

A white potato is a tuber with an edible plant but inedible leaves. Sweet potatoes are another species of tuber with leaves that are edible and nutritious.

www.reference.com/article/purple-potato-73c9a844f510369b

Several varieties of purple potatoes come from the countries of Bolivia and Peru in South America. The different types of these potatoes include the Purple Majesty, Purple Viking and Purple Peruvian.