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  1. Tech

    Magnifier May Crack Crimes, Crashes

    Gumshoes equipped with a novel device for magnifying magnetic fields may spy clues on damaged, erased, or deliberately corrupted audio tapes and other magnetic media.

    By Peter Weiss
  2. Humans

    From the February 4, 1933, issue

    SUPERLATIVE SPLENDOR REVEALED BY EXCAVATIONS IN PERSIA Eastern magnificence that surrounded Persian emperors 2,500 years ago is revealed by excavations at Persepolis. Palaces of the kings are being brought to light there by Dr. Ernest Herzfeld excavating for the Oriental Institute of the University of Chicago. The sculptured walls arouse comparisons with glories of one […]

    By Science News
  3. Physics

    Powers of Ten

    Florida State University’s “Molecular Expressions” Web site offers a fascinating sequence of images, each one 10 times bigger or smaller in scale than the one preceding or following it.