Hold a magnifying glass over the driveway on a sunny day and it will focus sunlight into a single beam. Hold a prism in front of the window and the light will spread out into a perfect rainbow. Lenses like these have been ...
General Physics
Aug 12, 2013
4
0
(Phys.org)—An airplane's vortex generators, which look like small fins on its surface, improve the plane's aerodynamics similar to the way in which the dimples on a golf ball improve the ball's aerodynamics: by delaying ...
Golf courses, known for their calm scenic views and precise grass patterns, take daily abuse. Divots created by golf strokes are a common occurrence, and can be a costly problem for golf course maintenance operations. Although ...
Plants & Animals
Aug 10, 2011
0
0
Golfers on the high seas can breathe a little easier -- and so can the marine life around them -- thanks to researchers at the University of Maine. In conjunction with The Lobster Institute, UMaine Biological and Chemical ...
Materials Science
Mar 30, 2011
3
0
When it comes to the World Cup Jabulani football, perfect may not be good enough, according to scientists who have analysed the controversial ball.
Other
Jun 29, 2010
7
0
(PhysOrg.com) -- The World Cup is in full swing, complete with an official new soccer ball named Jabulani, meaning "to celebrate" in Zulu. The players, however, aren't exactly celebrating. Instead, many of them are complaining ...
General Physics
Jun 25, 2010
0
0
