United States chemist and physicist who collaborated with Michelson in the Michelson-Morley experiment (1838-1923)
the 23rd letter of the Roman alphabet
a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
the base of the natural system of logarithms; approximately equal to 2.718282...
a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
the cardinal compass point that is a 270 degrees
the 5th letter of the Roman alphabet
a radioactive transuranic element produced by bombarding plutonium with neutrons