Uncategorized

  1. 19385

    I would guess that a rock measuring 1 kilometer across, landing near New Zealand 500 years ago, would have done much more than create a tsunami 300 to 500 feet high. Was the object 1 km across before encountering Earth’s atmosphere? Don ArthurNorth Coventry, Pa. Yes. The object’s estimated size is before it hit the […]

    By Science News
  2. Earth

    Killer Waves

    Scientists are using sophisticated computer models, field studies of coastal geology, and data from tidal gauges to assess the tsunami risk for coastal residents.

    By Sid Perkins
  3. Math

    Heads or Tails?

    Research interest in the fairness of coin tosses goes back many years.

    By Ivars Peterson

  4. From the February 24, 1934, issue

    A giant panda cub, anti-photon prediction, and meteor effects on short-wave radio reception.