How Illuminated Are You About Lasers?

How Illuminated Are You About Lasers?

There’s still something satisfyingly futuristic sounding about Lasers, even though they’re astonishingly commonplace in 2012. But how do they work? (tip: they’re not miracles)

That’s possibly more than I ever wanted to think about Laser eye surgery, but beyond that, it’s a great way to cover off slightly more than the very basics about a very common but commonly misunderstood technology. [YouTube via MAKE]