I don't get electricity jokes, watts so funny about them? The 13th in a series of presentations covers energy, motors, currents, generating electricity, calculating electrical energy cost, transformers, and batteries.

With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...

[Free Registration/Login may be required to access all resource tools.] Students will discover how an electrical potential is generated in an electrochemical cell, and then they will calculate the standard cell potentials from a table of...