29 Aug

Giant Bubbles

Remember the time that you had a competition with your friends to make the biggest bubble? Well, Sterling Johnson, an engineer who has turned his attention to bubbles wins everytime.  Check out this link to a video showing his work.  Next, go to soapbubbledk to get recipes for making your own bubble mixture.  Finally, to make your own giant bubble

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29 Aug

Butterfly Chromatography

With just a coffee filter, some colored markers, and water, you can make colorful butterfly chromatograms.  Marker ink is made up of different water-soluble colors which can be separated using water and a coffee filter. The hydrophilic (water-loving) colors travel across the cellulose (also, hydrophilic) coffee filter to provide the separation of color. This is a simple demonstration

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