In class on Monday, Tom Vale visited the class. He showed off four devices that use energy. They were the Peltier Device, Sterling Engine, Barbecue lighter, and the Mendicine Motor.
Peltier Device
-1834
-Uses two dissimilar metals. One side uses hot water, the other cold water.
-It is used in cars and is about 10% efficient.
Sterling Engine
-1816 by Robert STerling
-Eliminates steam engines
-It is about 60% efficient
Barbecue Lighter
-Goes from Mechanical to Electrical energy
-Pizo electrical effect
Mendicine Motor
-DC motor theory