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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/battery-work-d5aff34d39792bf

According to the MIT School of Engineering, a battery provides an electrical charge due to the chemical reactions that take place inside it once it is connected into an electrical circuit. When a circuit connects the positive and negative poles, the anode and cathode inside the battery react with th

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-come-1efdb300d603e038

Potatoes come from a potato plant; part of the potato plant is above the ground, but the potatoes themselves grow underground. The portion of the plant that is above ground has leaves and flower buds. When a plant has flowered, this is a sign that potatoes are growing underground.

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/plant-potatoes-48830560cf2c8887

To plant potatoes, cut apart seed potatoes, and plant them in a trench after the last frost. Use certified disease-free seed potatoes, and avoid grocery store potatoes, which often are treated to prevent sprouting.

www.reference.com/article/grow-potatoes-d1934a0a94ca0ac

Grow potatoes by planting them at the right time, preparing the planting site, giving them enough moisture and hilling them. It takes approximately 10 weeks between planting and harvesting. To accomplish this project, you need seed potatoes, a hoe, a garden fork, compost, well-drained soil and water

www.reference.com/article/long-potatoes-grow-86b548a3ee26b7f9

Potatoes take two to four months to grow, according to About.com. At the earliest stage of maturity, the spuds are referred to as "new potatoes."

www.reference.com/article/potatoes-protein-d0846ff68702bd1

A large, baked russet potato contains about 8 grams of protein, while other types of potatoes of a similar size contain 6 or 7 grams of protein. This is approximately equivalent to the protein provided by a serving of cheddar cheese.

www.reference.com/article/many-calories-potato-a92b855886f76bfe

An average potato contains between 110 to 120 calories, which is why it is considered one of the best choices for those wishing to add some weight. Potatoes do not contain fats, cholesterol and sodium making them a healthy choice for just about anyone wishing to consume a nutritious and healthy meal