Posts Tagged ‘color’

  • Does a dark-colored car heat up more in the sun than a light-colored car?

    The external color does not significantly affect how much the inside of a car heats up in the sun, says Sanford Klein, director of the UW-Madison Solar Energy Laboratory and professor of mechanical engineering.
    Cars warm up in the sun due to the greenhouse effect: Sunlight passing through the windows into the car is mostly absorbed [...]


    Tuesday, September 1st, 2009
  • What determines the colors of the sky at sunrise and sunset?

    The colors of the sunset result from a phenomenon called scattering, says Steven Ackerman, professor of meteorology at UW-Madison. Molecules and small particles in the atmosphere change the direction of light rays, causing them to scatter.
    Scattering affects the color of light coming from the sky, but the details are determined by the wavelength of the [...]


    Tuesday, November 6th, 2007
  • Super-schnozz: Instant detector spots rotten food

    Using a chemical reaction that changes color when specific chemicals are present, a new “dipstick” may detect spoilage better than the human nose.


    Thursday, August 16th, 2007


Cool Science Images

Image courtesy of Pete Mouginis-Mark, Hawaii Institute of Geophysics and Planetology, University of Hawaii at Manoa

Virtual Science!

©2010 University of Wisconsin
Board of Regents