You can hear sound, of course, but what if you could see it with a laser? That’s what [Goosetopherson] thought about, and thus a new project that you can see in the video below was born. The heart of ...

Housed in one of the oldest buildings in Prague, the Speculum Alchemiae Museum transports its visitors back to a time when alchemy seemed significantly more plausible. Tours (the only way to view the ...