In this lab, you will fill out a foldable on the three primary states of matter. Then you will watch a video showing ice melting from a solid to a liquid and boiling from a liquid to a gas. After ...

Part one of this series, published in the January 2007 issue, discussed how to use linear superposition in the steady-state analysis of multiple heat-source systems. However, linear superposition also ...

Judging by the surging sales of green technology, U.S. households appear to be on the verge of a low-carbon future. Millions of Americans are buying electric vehicles, heat pumps and induction ranges.