Posts Tagged ‘HTHTAtHome’



MEDIEVAL ENGINEERS: THE SCIENCE BEHIND THE CATAPULT

A catapult is a lever, a stick or beam, propped up by a fulcrum, the pivot point. The catapult magnifies your force to throw an object. So, you do not need as big of a force to propel a large object, but the larger the force, the farther it goes. In ancient times, catapults were […]

EIGHT-LEGGED ENGINEERS!

If you are not a fan of spiders, you are not alone. Before you push away another spider web, remember this: relative to weight, the strength of a spider web rivals steel and Kevlar, the material used to make bullet-proof vests.  Its incredible, pliable strength has inspired scientists to develop a surprising number of products—but […]