zr15's channel

A Stirling engine is a heat engine operating by cyclic compression and expansion of air or other gas, the working fluid, at different temperature l...

Download the song off iTunes!

http://itunes.apple.com/us/...

Make sure to check out the making of thi...

Douglas Adams - who would have turned 60 on March 11 - immortalised the number 42 in The Hitchhikers Guide to the Galaxy.

Forty-two was calculated...

A little video I made about the "spirit" of our Backstage Science videos - going behind every door and finding out what's going on. More Backstage ...

M66 is a deformed spiral galaxy - what's going on with that? Also known as NGC 3627.

Featuring Professor Mike Merrifield from the University of No...

Extra footage from the Sixty Symbols video about whether Brian Cox erred (never!) in a TV lecture on the BBC. These are just extras bit... Main vid...

Harvesting bambara groundnuts at the University of Nottingham glass houses. These nuts are being tested for their reaction to different photo-perio...

The recipe is changed for Coke and Pepsi (in the US). It is because of the chemical 4-methylimidazole, which would require the companies to put a c...

In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalist...

2,000 Years of Chinese History! The Mandate of Heaven and Confucius:

Crash Course World History #7

In which John introduces you to quite a lot of ...

Like me on Facebook - http://www.facebook.com/jtp...

In September of 2010 while on a "dream car tour" this Lamborghini Gallardo coupe spun out ...

This is my response to the interview performed by Dr. Phil on the NBC Today show a couple of days ago. This is not by any means the entire response...

from EP Stimming - Gaensebluemchen

http://www.discogs.com/Stim...

This song doesn't belong to me , belongs to their owners (Pendulum) , its just for entertainment