![ππ§ πππͺπ‘ πππ‘π ππ§ on Twitter: "#OnThisDay in 1967, American physicist Theodore Maiman was awarded the patent for his ruby laser systems, the worlds first laser. https://t.co/GUfdPemWZ0" / Twitter ππ§ πππͺπ‘ πππ‘π ππ§ on Twitter: "#OnThisDay in 1967, American physicist Theodore Maiman was awarded the patent for his ruby laser systems, the worlds first laser. https://t.co/GUfdPemWZ0" / Twitter](https://pbs.twimg.com/media/Dr9ixQCUwAAPsud.jpg)
ππ§ πππͺπ‘ πππ‘π ππ§ on Twitter: "#OnThisDay in 1967, American physicist Theodore Maiman was awarded the patent for his ruby laser systems, the worlds first laser. https://t.co/GUfdPemWZ0" / Twitter
![Deutsches Museum on Twitter: "Technical milestone: 57 years ago Theodore Maiman switched on the first laser. We've got a piece of an early model of his in our collection. https://t.co/mJHikYY69T" / Twitter Deutsches Museum on Twitter: "Technical milestone: 57 years ago Theodore Maiman switched on the first laser. We've got a piece of an early model of his in our collection. https://t.co/mJHikYY69T" / Twitter](https://pbs.twimg.com/media/C_8rBBXUAAEbyed.jpg)
Deutsches Museum on Twitter: "Technical milestone: 57 years ago Theodore Maiman switched on the first laser. We've got a piece of an early model of his in our collection. https://t.co/mJHikYY69T" / Twitter
![Scientist and inventor of the laser Dr. Theodore Maiman pours liquid nitrogen into a cooling unit around one of the first experimental lasers in his laboratory in Santa Monica, Calif., on March Scientist and inventor of the laser Dr. Theodore Maiman pours liquid nitrogen into a cooling unit around one of the first experimental lasers in his laboratory in Santa Monica, Calif., on March](https://c8.alamy.com/comp/2NGJ15T/scientist-and-inventor-of-the-laser-dr-theodore-maiman-pours-liquid-nitrogen-into-a-cooling-unit-around-one-of-the-first-experimental-lasers-in-his-laboratory-in-santa-monica-calif-on-march-9-1964-ap-photo-2NGJ15T.jpg)