Continuing on our theme of atmospheric pressure, this week we experiment on increasing and decreasing pressure, and how it affects the air trapped inside of marshmallows.

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Last week, we showed you how atmospheric pressure can be used to give a giant “bear hug”. This week, we use atmospheric pressure to crush a metal can.

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A plastic bag is connected to a vacuum pump. Initially the air inside the bag pushes out with the same force as the air outside of the bag pushing in. However, when the air is pumped out of the bag there is nothing to counteract the atmosphere squeezing the bag against the bear.

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Last time we saw that we can separate mixtures by using size and magnetism. This time we use density to separate a mixture. This process is used to separate different types of plastics so that they can be recycled.

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River sand is a mixture: it’s a combination of many types and sizes of materials that are combined together without being chemically bonded to each other. Mixtures can be unmixed, or separated into component parts using various physics techniques.

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On August 21, 2017 a total solar eclipse swept in a thin arc across the country, and a partial eclipse was viewable across almost the entire continental United States. This also happened to be the first day of the 2017-2018 academic year, and students all over Colorado State University took a break from their studies to watch this rare celestial event.

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Ignasius and Sherri from B2Gold Namibia join the Little Shop of Physics team for a demonstration of crystal growth in a supercooled liquid.

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More pixels means a more clear picture, but it also means that it takes longer to send the data from one computer to another. We use glass spheres to represent pixels. Increasing the bandwidth means moving more data (spheres) each second.

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The Little Shop of Physics teamed up with CenturyLink and the Denver Broncos Tackle STEM to bring an awesome hands-on science experience to thousands of Colorado children!

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Check out our first video from our partnership with CenturyLink and the Denver Broncos Tackle STEM. This video is about pixels and data, but with a LSOP twist!

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