Megaphone: Equipment Autopsy #85 скачать в хорошем качестве

Megaphone: Equipment Autopsy #85

http://thegeekgroup.org/ - Chris pokes his way through a cheap, old megaphone that someone had unsuccessfully tried to revive once or twice. Along the way he shows how it's actually multiple horns put together to create greater and greater sound amplification. Video Links: 08:03 https://en.wikipedia.org/wiki/Compres... 18:42    • How Sirens Work   18: 50 http://thegeekgroup.org/ Subscribe for more equipment autopsies, explosions, science videos and general geek related awesomeness. Based in Grand Rapids, Michigan, The Geek Group provides access to science, technology, engineering and math by developing programming and facilities for individuals and institutions to learn, explore, innovate and play at an independent pace according to their needs. The Geek Group has many thousands of members scattered across the globe, in every state in the US and one hundred and forty-two countries. Come help us build Awesome!