2. Cut up CDs and make animal sculptures.
5. Put a few in your bag during hikes to use as emergency signal mirrors.
More about signal mirrors here.
10. Erase your data with mini tesla coils.
11. Or with a motor and a pin.
12. Or in the microwave.
You shouldn’t do this one, since it’ll probably make your food taste bad.
13. Use a balloon to make this hovercraft toy.
- And we asked tourists and locals in Nice, France, what the burkini ban means to them.