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Robotics | IoT

Explore the Venturi Effect with a DIY Vacuum Pump

Make your own vacuum pump for less than $25.
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New Project: Rheoscopic Disc Coffee Table

[Editor’s Note: The Rheoscopic Disc Coffee Table is a project we liked so much, we decided to add a video to it and flush out the final steps for mounting the disc inside of the table.] When I last visited the Carnegie Science Center in Pittsburg…