Lasers are super important today, but their story started long ago. The idea first came from Albert Einstein in 1917. He figured out that atoms could be made to give off light in a focused way. It wasn’t until the 1950s that scientists started turning that idea into real-life inventions. Charles Townes and Arthur Schawlow created the maser, which was like a laser but worked with microwaves instead of light. Finally, in 1960, Theodore Maiman built the first accurate laser using a ruby crystal. That was a big deal; other lasers were invented soon after. Now, lasers are used in so many ways. Doctors use them for surgeries, they’re part of the internet through fiber optics, and they’re even used to cut and shape things in factories. Lasers started as just an idea, but now they’re everywhere.
Related Articles
- https://www.aps.org/archives/publications/apsnews/200312/history.cfm
- https://www.britannica.com/technology/laser/History
- https://en.wikipedia.org/wiki/Laser
- https://www.troteclaser.com/en-us/resources/laser-wiki/history-of-laser-technology
- https://www.ulsinc.com/learn/history-of-lasers
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