You Can Make Glass Virtually Invisible With Science
We're not talking magic over here. With just a bit of handy science knowledge (and some tangible supplies), you can make a glass test tube virtually invisible in a beaker. It's all due to the science of refraction. But if you're not thinking scientifically, this disappearing act looks like actual magic. See for yourself in the video below.
How To Make Something Invisible
Science IS magic.
from At-Bristol Science Centre
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