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Cei Mai Mari Oameni De știință
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De Țară |
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#: 281 - 290
| # | Nume An Țară Știință |
Realizări | |
| 281 |  |
Gustav Ludwig Hertz 1887-1975 Germania Fizică |
experimentally confirmed that atomic energy states are quantized |
| 282 |  |
Sir Chandrasekhara Raman 1888-1970 India Fizică |
studied light scattering and discovered the Raman effect |
| 283 |  |
Sir William Lawrence Bragg 1890-1971 Regatul Unit Fizică |
worked on crystal structure and x rays |
| 284 |  |
Sir Edward Appleton 1892-1965 Regatul Unit Fizică |
discovered the layer of the Earth's atmosphere, called the Appleton layer, which is the part of the ionosphere having the highest concentration of free electrons and is the most useful for radio transmission |
| 285 |  |
Harold Clayton Urey 1893-1981 Statele Unite ale Americii Fizică |
discovered deuterium |
| 286 |  |
Pjotr Leonidovich Kapitsa 1894-1984 Rusia Fizică |
heralded a new era of low-temperature physics by inventing a device for producing liquid helium without previous cooling with liquid hydrogen; demonstrated that Helium II is a quantum superfluid |
| 287 |  |
Igor Y. Tamm 1895-1971 Rusia Fizică |
co-developed the theoretical interpretation of the radiation of electrons moving through matter faster than the speed of light (the ``Cerenkov effect''), and developed the theory of showers in cosmic rays |
| 288 |  |
Lord Patrick Maynard Stuart Blackett 1897-1974 Regatul Unit Fizică |
developed an automatic Wilson cloud chamber; discovered electron-positron pair production in cosmic rays |
| 289 |  |
John Douglas Cockcroft 1897-1967 Regatul Unit Fizică |
co-invented the first particle accelerator |
| 290 |  |
Isidor Isaac Rabi 1898-1988 Austria Fizică |
developed the resonance technique for measuring the magnetic properties of atomic nuclei |