This is an optical illusion toy called a thaumatrope! It has a different picture on each side and, when spun around really quickly, allows us to see both of those images at the same time 😲🤯
How? It's all thanks to persistence of vision! 👀
Download a FREE copy of the thaumatrope designs here (www.sillysciencewithsimon.com...)
If you want to learn more about persistence of vision, check out this video on the Newton Disc ( • Mixing Colours to make... )
And if you're interested in reading a full copy of the old pages I found in the attic, check it our here: archive.org/details/livingpic...
*Official Merchandise!*
You can now buy a Silly Science with Simon shirt, hoodie or sticker on this RedBubble store!
www.redbubble.com/people/Sill... 😎
*Want to help me make more videos?*
If you've read this far into the description, you must be a big fan of the channel... or really enjoy reading 😋 Either way, please consider helping me make more videos by making a small donation at www.buymeacoffee.com/sillysci...
*Music*
- Quirky Funk Comedy Background by Ricky Valadez (rickyvaladez.com/best-backgro.... Licence purchased.
- Your Spookiness by Orchestralis (audiojungle.net/item/your-spo.... Licence purchased.
- The Happy by cinematic_alex (audiojungle.net/item/the-happ.... Licence purchased.
- For Vlog by Pianosaur (audiojungle.net/item/the-vlog.... Licence purchased.
- It's Time by Ricky Valadez (rickyvaladez.com/best-backgro.... Licence purchased.
*Disclaimer*
If you do choose to do these activities, you agree to do so at your own risk (please refer to this page www.sillysciencewithsimon.com....