Objectives: The objective of this activity is to construct a functional solar-powered oven using a limited number of supplies and a pizza box. A1. In groups of 2, ask students to think of a way one ...

Many of you will probably at some point have looked at a satellite dish antenna and idly wondered whether it would collect useful amounts of heat if you silvered it and pointed it at the sun.

Researchers at Macquarie University in Sydney have developed a microwave technology they say will improve the production of solar cells, while making them easier to recycle. During the fabrication ...