World’s Easiest DIY Electric Train

How do you take copper wire, a battery and magnets and make electric train? With science! This super simple DIY physics demo uses electromagnetic induction to propel a train made of magnets and batteries. Inspiring video: Ferrofluid and glowsticks: 7 surface tension experiments: Creator: Dianna Cowern Animator: Kyle Norby Thanks to Dan Walsh and Kyle Kitzmiller. Music: AP