Garbage (waste, trash) – unwanted and discarded materials and objects. It is often also called trash, garbage, rubbish, or junk. … More

When MTBE (methyl tertiary butyl ether) was the replacement for tetraethyl lead in gasoline it solved some problems. In addition … More

The Roentgens’ Berlin Secretary Cabinet (video 2:20) – hidden features and intricate interior of this cabinet. A writing cabinet with … More

  Gardening is the practice of growing plants for their attractive flowers or foliage, and vegetables or fruits for consumption. … More

Forces are everywhere. Forces are a push or pull on an object. They can be due to phenomena such as … More

Friction is a force that holds back the movement of a sliding object. That’s it. Friction is just that simple. … More

Forklift truck (also called a lift truck, a fork truck, or a forklift) is a powered industrial truck used to … More

Freeze drying removes moisture from food through sublimation, which turns water molecules into vapor. Freeze drying food affects its texture … More

Footwear covering protection warmth water proof – material, construction correction – arch-support enhancement work related – safety shoes, steel-toes, chemical … More

A fractal is a pattern that repeats at different scales, and examples are all around us. Technically, we call shapes … More

Not only is prepared food considered man-made, almost all other aspects of food have some man-made or engineered component. Growing … More

Build a model FPG-9. Get others to make their own model, then organize a competition to test the precision of … More