Short demo: The fan in a vacuum pushes air out, creating a system of low pressure. This in turn creates a system of low pressure within the bag, allowing for an entertaining demonstration of the power ...
Growing up, we all had to do all kinds of science projects in school. For Baby Boomers, here are several classic science ...
Nails made from lasagna, racquetballs that shatter like glass, exploding pop bottles and rags that don't burn? All part of the annual science demonstrations for fifth graders at Calvin College by ...
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