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Evangelista Torricelli (15.10.1608-25.10.1647) was an Italian physicist and mathematician.

Charles Hard Townes (born 28.07.1915)-an American physicist, one of the founders of quantum electronics, member of the National Academy of Sciences (1956).

John Sealy Edward Townsend (7.06.1868 — 16.02.1957) — an English physicist, Fellow of the Royal Society (1903).

Hans-Jürgen Treder (born 4.09.1928) is a German theoretical physicist and a member of the Academy of Sciences of the GDR (1966).

Viktor Ivanovich Trefilov (born 6.08.1930) is a Soviet physicist, an academician of the Academy of Sciences of the Ukrainian SSR (1973) and its vice-president (from 1974).

Sam Bard Treiman (born 27.05.1925) is an American theoretical physicist and a member of the National Academy of Sciences (1972).

Frederick Thomas Trouton (24.02.1863-21.09.1922) was an Irish physicist.

John Trowbridge (5.08.1843-18.02.1923) was an American physicist and a member of the National Academy of Sciences (1878).

Yuri Alexeyevich Trutnev (born 2.11.1927) is a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1964).

Vladimir Maximovich Tuchkevich (born 29.12.1904) is a Soviet physicist and an academician (1970; corresponding member, 1968).

Alexander Illarionovich Tudorovsky (24.08.1875-25.10.1963) was a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1933).

Merle Antony Tuve (27.06.1901-1982) was an American physicist and a member of the National Academy of Sciences (1946).

John Tyndall (2.08.1820-4.12.1893) was an English physicist and a Fellow of the Royal Society (1852).

George Eugene Uhlenbeck (born 6.02.1900) — an American theoretical physicist, member of the National Academy of Sciences (1955).

Armin Uhlmann (born 19.02.1930) - a German theoretical physicist, member of the Academy of Sciences of the GDR (1972).

Nikolai Alexeyevich Umov (4.02.1846 28.01.1915) — Russian physicist.

Live on Channel Five – Eduard Boos, Doctor of Physical and Mathematical Sciences.

Unit Name Symbol Russian International Ampere А A Ampere-second А·с A·s Watt Вт W Watt-hour Вт·ч W·h Weber Вб Wb Volt В V Gauss Гс Gs Henry Гн H Hertz Гц Hz Gigawatt ГВт GW Joule Дж J Kilowatt кВт kW Kilowatt-hour кВт·ч …

1 mile = 7 versts = 7.4676 km 1 verst = 500 sazhens = 1.0668 km 1 sazhen = 3 arshins = 7 feet = 2.1336 m 1 arshin = 16 vershoks = 28 inches = 0.7112 m 1 vershok = 1.75 inches = 44.45 mm 1 foot = 12 inches = 0.3048 m 1 in…

The following units of length are often used to measure large distances (for example, in astronomy and astronautics): the astronomical unit, the light year and the parsec.

1 nm 10 -3 1 10 10 3 10 4 10 6 1 A * 10 -4 10 -1 1 10 2 10 3 10 5 1 pm 10 -6 10 -3 10 -2 1 10 10 3 1 X-unit 10 -7 10 -4 10 -3 10 -1 1 10 2 1 fm ** 10 -9 10 -6 10 -5 10 -3 10 -2 1 * In honour of the Swedish physicist A.

Unit Name Symbol Russian International Dioptre дптр - Candela кд cd Lux лк lx Lumen лм lm

Units of physical quantities 1 Å = 10 -10 m = 10 -8 cm = 10 -4 µm = 10 -1 nm 1 rad = 57°17`44.8`` = 53.3° = 3.44·10 3 ` = 2.06·10 5 `` 1 g/cm 3 = 10 3 kg/cm 3 = 1 t/m 3 1 dyn = 10 -5 N = 1.02·10 -9 kgf 1 atm = 1.01·10 5 …

Unit Name Symbol Russian International Ångström Å Å Are а а Astronomical unit а. е. ua Atomic mass unit а. е. м. u Technical atmosphere ат at Physical (standard) atmosphere атм atm Bar бар bar Watt Вт W Hectare га ha Hec…

Unit Name Symbol Russian International Degree Celsius °С °С Gigajoule ГДж GJ Joule Дж J Joule per kilogram Дж/кг J/kg Joule per kilogram-kelvin Дж/(кг·К) J/(kg·K) Calorie кал cal Calorie per gram кал/г cal/g Calorie per …