News Report: Solar powered aircraft flies for over 7 days! 20/07/2010

The Zephyr unmanned aircraft flies for over 7 days (20th July 2010) The craft is powered by lithium-sulphur batteries that charge during the day sufficiently enough to maintain the craft’s altitude by night. The plane can persist over an area,… Continue Reading

Why are polar orbiting satellites a poor choice for monitoring hurricane development?

Why are polar orbiting satellites a poor choice for monitoring hurricane development? a.Resolution: the data from the satellites has poor resolution because the satellites are so far from the surface b.Radiation data from the satellites is at wavelengths that give… Continue Reading