Feature
Friction Reveals Chemical Composition
Magazine issue:
Magazine issue: Vol. 142 #12, September 19, 1992
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Magazine
In the Oct. 14 SN: 2017’s scientists to watch, duel over a real-life Brienne of Tarth, the origin of ultrahigh energy cosmic rays, long-lasting spheres of color, watermelon snow’s downside, support for the Unruh effect, polite robots and more.
