How did the Enigma Machine work?
– [Jared] This is the Enigma machine. It looks like a typewriter but it has a very different purpose. During World War II it was used to keep messages secret…
Colorectal cancer surgery – Open procedure – 3D animation
open colon surgery is the traditional method used by most surgeons to remove a segment of colon this technique requires a large midline incision and is an invasive procedure resulting…
How does an Escalator work?
<?xml encoding=”UTF-8″> – [Jared] As you ride up an escalator, you’ve seen this view plenty of But have you seen this view? or this view? In today’s video, I’d like to show you how an escalator