Discover how to create a compact DIY submersible water pump using a small DC motor and recycled plastic bottles. This step-by-step tutorial covers everything from effective motor waterproofing and ...

If you want happy fish you’re going to need to do regular aquarium maintenance. Part of this is exchanging a portion of the tank’s water on a regular basis. [Bill Porter] came up with a water ...

Good ideas don't only come from experts. An innovative engineering program in Texas has been proving that college undergraduates can tackle — and solve — vexing health challenges in developing ...