13 Confusing Science Toys/Gadgets!

Hello Everyone ❤ Sit back and relax. Enjoy 8 minutes of oddly satisfying scientific curiosities featuring various mind-blowing stuff! If you guys liked this video please follow us on Instagram : And subscribe to our channel @physicsfun Buy them on 🌎 : Buy in rupee ₹ : This video contains: 1) Lenticular Invisibility: this thin acrylic sheet is comprised of tiny cylindrical lenses which can allow images to be “out of focus” along one dimension which blurs thin images and hides them. This 70 lens per inch sheet is part of a lenticular optics kit that came as part of my “thecuriositybox“ subscription— amazing and fun! 2) Perpetual Motion Simulator: this marble machine device does not break any laws of thermodynamics- but it sure looks like it! 3) Computational Caustic Projection: an image is formed by refrac