Easier Automatic Pool Cleaning
Why?
Instead of using a net and going after the leaves and similar things that get in the pool.
How?
A mechanical system that spreads a fine mesh on the bottom of the pool. Starting on one side this net stretches on the bottom of the pool, as close to the floor as possible, and stirs up the debris that is there. When the net reaches the other side, after a short waiting period, it is pulled back at a slightly higher elevation, the furthest end being pulled in first, trapping the debris on the way back and pulling it into a disposal container built into the system, behind the wall where it’s installed.
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The Center for Mechanical Puzzles
Why?
So people can find new interesting ones and also publish their inventions.
How?
A website that lists and shows classical mechanical puzzles, and allows anyone to publish their inventions. You can also get help solving these puzzles.
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