Hobbies & Science

Although they may evoke thoughts of a complicated science lesson, electromagnets are simple to understand and can be found in many everyday devices including VCRs, locks and motors. This guide will teach you the basics of electromagnetism.

Science fairs are a fun way to learn basic science formulas and concepts. If you need ideas on science fair projects for your child, this easy quick guide has many things for you. Learn basics, find science ideas, and plan for a first place prize.

Metal detecting is a fun hobby, and one that allows you to make a few dollars depending on what you find. The experts at eHow can tell you about metal detectors, how to use them and what to do with the treasure chests and riches you'll uncover.