Letters to the Editor
- Humans
Letters from the December 15, 2007, issue of Science News
Fuzzy logic Astronomer Masanori Iye of the National Observatory of Japan blames the blurry appearance of meteor trails at about 100 kilometers altitude on the fact that they were photographed with telescopes focused at infinity (“Out-of-focus find,” SN: 9/29/07, p. 205). But optics teaches that any object much farther away than the focal length of […]
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19907
I was disappointed to see optical quantum computers described as “exponentially faster than ordinary computers” in your article. Despite frequent misuse in the lay press, “exponentially” does not mean “a whole bunch.” It refers to a specific mathematical functional relationship, not merely a comparison of two numbers.
