Uncategorized

  1. Earth

    NOAA’s Virtual World

    Players of the virtual reality game Second Life can now soar through a virtual hurricane, experience rising through the atmosphere atop a weather balloon, and more at the National Atmospheric Administration’s new site. Go to: http://www.esrl.noaa.gov/outreach/sl/

    By
  2. Physics

    Magnetic Logic: Electron spins could do cool calculations

    Novel circuits use electrons as tiny bar magnets to process information.

    By
  3. Take a Number: Kids show math insights without instruction

    Kindergartners can solve relatively complex addition and subtraction problems if allowed to use their intuitive grasp of approximate quantities rather than being required to calculate exact solutions.

    By
  4. 19840

    While testing was done on 5- or 6-year-old children, it would be interesting to see if this intuitive skill persists after these students are exposed to standard mathematical instruction in the higher grades.