This YouTube channel proves the art of the parlor trick is alive and well. Brusspup has reeled in almost two million subscribers with optical illusion how-to’s and science experiments. Here are a few you can try this weekend.

Tonic water contains an alkaloid called quinine that glows under a black light. But your friends will think you’ve been stockpiling radioactive Ninja Turtle ooze.


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Ten ways to make a piece of paper way more interesting:


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Learn how to let this wild ring thing loose in your house—all it takes is styrofoam, sandpaper and a glue gun.


And finally, combine dry ice, dish detergent, and glycerin to turn your living room into a cloud-filled dream land.

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