HOW TO… Practical projects to try at home
MAKE GL ASS INVISIBLE
This vanishing act uses the refractive powers of vegetable oil
DON’T DO IT ALONE!
If you’re under 16, make sure you have an adult with you
KIT LIST
A Pyrex glass, bowl or beaker
A smaller Pyrex glass or test tube
Water
Vegetable oil
1 GATHER YOUR EQUIPMENT
Make sure you have enough water and oil to fill your glass or bowl. The test tube or smaller glass needs to fit easily inside the larger one, be clean and scratch-free.