Jon answers questions from the comments sections, all about thermodynamics. What actually powers a ‘perpe’’S EM drive work if it breaks the first law of thermodynamics (2:45)? Can we make monopole magnets with just one pole (4:20)? Can gravity drive a perpetual motion machine (5:15)? Watch our full series on thermodynamics here: https://www.youtube.com/playlist?list=PLbnrZHfNEDZxmZmL3fZHPTeoUO8amBox2 How to Debunk Perpetual Motion Machines: https://youtu.be/sScrtGdKmho?list=PLbnrZHfNEDZxmZmL3fZHPTeoUO8amBox2 What is the Zeroth Law of Thermodynamics? https://youtu.be/PE_zpk-EznQ?list=PLbnrZHfNEDZxmZmL3fZHPTeoUO8amBox2 Why Thermodynamics Matter to a Particle Physicist: https://youtu.be/lgJ2_LBRA70?list=PLbnrZHfNEDZxmZmL3fZHPTeoUO8amBox2 Subscribe for regular science videos: http://bit.ly/RiSubscRibe The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter