The first 100 people to go to https://blinkist.com/stevemould will get unlimited access for 1 week to try it out. You'll also get 25% off if you want full membership. You can make electricity go round and round in a loop by heating one and and cooling the other. That's called the Seebeck effect and requires two different metals. The opposite is called the Peltier effect where an applied voltage drives a difference in temperature. Alpha Phoenix channel: https://www.youtube.com/channel/UCCWeRTgd79JL0ilH0ZywSJA ElectroBoom's video: https://www.youtube.com/watch?v=0xY06PT5JDE You can buy my books here: https://stevemould.com/books You can support me on Patreon here: https://www.patreon.com/stevemould just like these amazing people: Joseph Galliera Nathan Williams Matthew Cocke Glenn Watson Mark Brouwer Joseph Rocca Joël van der Loo Doug Peterson Yuh Saito Rashid Al M Andrew Reeder Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ Buy nerdy maths things: http://mathsgear.co.uk/