News tagged with reflection

What percent of Earth is water?

The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the prevalence of water on the planet's surface. While water itself is not blue, ...

dateDec 02, 2014 in Earth Sciences
shares2 comments 8

Using math to design amazing mirrors

Mathematician Andrew Hicks was in his Drexel University office, puzzling over some problem he can no longer recall, when colleague Ron Perline walked in with a challenge. Fresh from his morning bicycle ride, Perline was unhappy ...

dateJan 18, 2009 in Mathematics
shares0 comments 0