In 1960, a physicist fired a ruby crystal and created the first working laser

According to the US National Institute of Standards and Technology (NIST), Maiman’s apparatus produced more coherent light ...
Hackaday

DIY laser

While some decent lasers are out there for under $400 USD, they tend to be a little small. What if you wanted something a little nicer but didn’t want to jump to the $2,000 category? The answer for ...

In 1960, a physicist’s ruby experiment produced the first laser beam

In 1960, Theodore H. Maiman's experiment at Hughes Research Laboratories produced the first laser beam using a ruby crystal ...