Sonoluminescence – Construction

Full Story and Contruct – http://www.techmind.org/sl/index.html Sonoluminescence is a little-understood phenomenon whereby light is emitted by tiny bubbles suspended in a liquid subjected…

5V from Portable Wind Turbine

T.K. Hareendran – T.K. Hareendran is an electronics hobbyist, freelance technical writer and circuit designer This project deals with the design and development…

Combing Frequencies

It almost sounds like a riddle: What tool has transformed basic scientific research and led to new technologies in so many different fields–timekeeping,…