Ducksters
Ducksters: Physics for Kids: Resistors in Series and Parallel
Kids learn about resistors in series and parallel in the science of electricity and physics including equations, circuits, and example problems.
Creative Science Centre
Creative Science Centre: Mobile Phone Absorption Wavemeter
An absorption wavemeter is a device which can make measurements on the strength of radio emissions and so this instrument is an essential item for investigating the mobile phone. In principle an absorption meter is a simple device that...