Net present value (NPV) is the difference between the present value of cash inflows and the present value of cash outflows over a period of time.

This paper provides accurate CAD formulas for the circular microstrip patch antenna. Formulas are presented for input impedance, radiation efficiency, and bandwidth. These formulas are not empirical ...

Follow the latest news and gossip from the world of Formula 1 ahead of the next race at Spa-Francorchamps, the Belgian Grand Prix on July 25-27.

Discover some fascinating, no prep, STEM activities and challenges you can do with your students using paper! Engineering, math and science.