User:KYPark/1917
From Wikipedia, the free encyclopedia
[edit] Albert Einstein
- Zur Quantentheorie der Strahlung
- (On the Quantum Mechanics of Radiation)
- Physikalische Zeitschrift 18: 121–128
- ``In 1917 Albert Einstein, in his paper [...], laid the foundation for the invention of the laser and its predecessor, the maser [...].`` -- Laser#Foundations
- ``Before stimulated emission was discovered, novelists used to describe machines that we can identify as "lasers".
- The first fictional device similar to a military CO2 laser (see Heat-Ray) appears in the sci-fi novel The War of the Worlds by H. G. Wells in 1898.`` -- Laser#Fictional predictions
| 1900's | |
|---|---|
| '00 '01 '02 '03 '04 '05 '06 '07 '08 '09 | |
| '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 | |
| '20 '21 '22 '23 '24 '25 '26 '27 '28 '29 | |
| '30 '31 '32 '33 '34 '35 '36 '37 '38 '39 | |
| '40 '41 '42 '43 '44 '45 '46 '47 '48 '49 | |
| '50 '51 '52 '53 '54 '55 '56 '57 '58 '59 | |
| '60 '61 '62 '63 '64 '65 '66 '67 '68 '69 | |
| '70 '71 '72 '73 '74 '75 '76 '77 '78 '79 | |
| '80 '81 '82 '83 '84 '85 '86 '87 '88 '89 | |
| '90 '91 '92 '93 '94 '95 '96 '97 '98 '99 | |
| 2000's | |
| '00 '01 '02 '03 '04 '05 '06 '07 '08 '09 | |
