Nancy Bullard on MSN

Ice cube challenge with a clever salt and string trick

In this quick science challenge, I show you how to lift an ice cube out of a glass of water without ever touching it. Using ...
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Try this surprising candle and jar airflow challenge

In this quick science challenge, I use a simple candle and a glass jar to show how air can bend around objects. I set up the candle, place the jar behind it, then blow to make the flame go out from a ...