It took 10 YEARS (But it was worth it) - Amazing Science Gadgets/Toys 2

This video contains many interesting science gadgets, satisfying science experiments, innovative science toys, amazing science toys/gadgets and many more DIY, handmade physics toys, gadgets available on amazon, etsy, educational innovations, kickstarter. Sit back and relax. Enjoy 9 minutes of oddly satisfying scientific curiosities featuring various engines with candles, ferrofluid toys, kinetic art that uses physics, optical illusions, various forms of dices, math toys/shapes and more mindblowing stuff! Buy them on : If you guys liked this video please follow us on Instagram : And subscribe to our channel @physicsfun This video contains: 👉🏻Memory Spring: some special alloys of brass can be made to have a shape memory triggered by temperature. These springs quickly change their length from 1 cm to when heated above 90 C (done here with hot water) and just as quickly shrink back to orig