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Featured Physical Science & Math Entry

Foot

Foot is a unit of length in the inch-pound system of measurement customarily used in the United States. It is equal to one-third of a yard, and contains 12 inches. A 1959 international agreement defines the yard in a way that makes the foot equal to exactly 0.3048 meter. See Weights and measures. More »

Did You Know?
Mercury is the planet nearest the sun. It has a diameter of 3,032 miles (4,879 kilometers), about two-fifths of Earth's diameter. Mercury orbits… More>>
Skew line, in advanced geometry, is a line in space that neither runs parallel to another line nor intersects another line. The word skew means… More>>
Moon is Earth's only natural satellite and the only astronomical body other than Earth ever visited by human beings. The moon is the brightest… More>>
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> Atoms for Peace Award
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> Thompson, Benjamin
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