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Showing posts from August, 2013

Whirlygig!

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We tried out this home made propeller in our wind tunnel. The wind tunnel was made using a variable speed electric fan.

Hydraulic Car

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A few weeks ago we made a hydraulic car. Unlike air, water can not be compressed. We use this principle to lift the body of a wooden car. Watch it work: There are complete instructions on the Community Science Workshop Network website. Search "hydraulic."