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Science at Home
The Amazing Self-Emptying Cup (Pythagoras' Cup)
In this experiment, we'll build a special cup that empties entirely as soon as the
June 22, 2014 זמן קריאה משוער 5 -
Science at Home
Preparing an Automatic Water Pump Out of Folding Straws
In this experiment, we’ll build a self-propagating water pump that sucks out water
June 14, 2014 זמן קריאה משוער 7
