2. 1902: Hendrick Antoine Lorenz (Netherlands) and Zeeman 1865 ~ 1943 (Netherlands) studied the influence of magnetic field on radiation phenomenon.

3. 1903: Antoine Henri Bekkerel discovered natural radioactivity (1852-1908); Pierre curie 1859- 1906 (France) and Marie Curie 1867- 1934. (Polish French) The radioactive elements polonium and radium were discovered and studied.

4. Research and discovery of argon in1904: Rayleigh 1842~ 19 19 (UK).

5. 1905: Leonard 1862~ 1947 (Germany) studied cathode rays.

6. 1906: Joseph Thomson 1856~ 1940 (UK) made important contributions to the theoretical and experimental research of gas discharge and discovered electrons.

7. 1907: Albert Abrahan Michelson 1852~ 193 1 (USA) invented the optical interferometer, which was used in spectroscopy and basic metrology research.

8. 1908: lippman 1845~ 192 1 (France) invented color photographic interferometry (that is, lippman's interference law).

9. 1909: Invented by Guillermo Marconi 1874- 1937 (Italian) and Braun 19 12- 1977 (German).

10, 19 10 years: van der Waals' 1837_ 1923 (Netherlands) on the study of gas and liquid equations.

1 1,191year: Wayne 1864- 1928 (Germany) discovered the law of thermal radiation.

12, 19 12: Darren 1869- 1936 (Sweden) invented an automatic adjusting device, which can be used with ignition beacons and buoy gas storage batteries.

13,1913: Heck Kamelin-Agnes1853 ~1926 (Netherlands) Study on the properties of objects at low temperature and production of liquid helium?

14,1914: max van Laue1879 ~1960 (Germany) discovered X-ray diffraction in crystals.

15, 19 15: William Henry Bragg 1862- 1942, William Lawrence Prague 1890- 197 1 (.