What is surface tension?

What is surface tension?

In this mesmerizing video, see how a water strider walks on water, and how a drop of milk in water actually stretches the water’s surface instead of breaking it. It has to do with the elastic property of the water surface, a phenomenon called surface...
How to Make a Duct Tape Coin Pouch

How to Make a Duct Tape Coin Pouch

To make this DIY Duct Tape Coin Pouch, gather a cutting mat (or ruler) an x-acto knife (or scissors), a ziplock bag, and two different colors of duct tape. Sally shows us how to build this coin pouch in just a few snappy minutes. Get creative with colors or patterns,...

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