Neil deGrasse Tyson Demonstrates a Rattleback
/r/PhysicsOnABudget: Physics on a Budget - Who has the money for an LHC at home? - September 11, 2018 - 21:13
/r/Physics: Physics - The aim of /r/Physics is to build a subreddit frequented by physicists, scientists, and those with a passion for physics. Papers from physics journals (free or otherwise) are encouraged. Posts should be pertinent, meme-free, and generate a discussion about physics. Please report trolls and incorrect/misleading comments. - September 11, 2018 - 14:29