In science, the word medium is often used to describe a material through which waves can pass. For example, sound waves travel at different speeds through air, wood, and water, each of which is a different medium.
In November 2009, the Explorers investigated the nature of waves.
OH - Dayton / Wright-Patterson Air Force Base
- Few clouds
- Temperature: 53.6 °F / 12 °C
- Wind: South-Southeast, 5.8 mph
- Pressure: 1006 hPa
- Rel. Humidity: 88 %
- Visibility: 16.1 km
Fri, 03/12/2010 - 00:55