Boiling Water With Sunlight

can we use a large lens to boil water so as to generate electricity?
- Akhil Goel (age 14)
Ludhiana, Punjab, India

Certainly you can. In fact, a technique like this is one of the standard ways to get solar power. Usually mirrors are used instead of lenses, for several important practical reasons.

This Wikipedia article discusses the technique and several related uses of solar energy.

Mike W.

(published on 09/23/2012)