water

Use Water to Track a Stylus in 3D Space

Use Water to Track a Stylus in 3D Space

Check out this novel method of determining absolute position: using a tub of water to track a stylus in a 3D space.

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The MakeShift Challenge: Survive a Deserted Island

The MakeShift Challenge: Survive a Deserted Island

Can you find water and survive on a deserted island?

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The MakeShift Challenge: Save a Farm from Drought

The MakeShift Challenge: Save a Farm from Drought

A small family farm in Mexico is going under due to drought conditions. You decide to help. But how?

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Open Sourcing Plans for “Low-Tech, High-Thinking” Water Filters

Open Sourcing Plans for “Low-Tech, High-Thinking” Water Filters

OHorizons works on providing access to clean drinking water by teaching local communities to build and maintain their own water filtration systems.

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Make a Simple Water Intake Tracker

Make a Simple Water Intake Tracker

Monitor your hydration intake with this little tracker.

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