We always hear that future computers will use optical technology. But what will that look like for a general-purpose computer? German researchers explain it in a recent scientific paper. Although the ...
IN NATURE of May 27, p. 678, Mr. A. Mallock suggests as a quantitative measure of “definition” in an optical instrument “the angular or linear size of the field of view compared with the smallest ...
The computing world is on the cusp of a transformative leap forward, as researchers at the California Institute of Technology (Caltech) have unveiled an all-optical computer capable of achieving clock ...
IN Mr. Mallock's letter on “Definition, Resolving Power and Accuracy,” published in NATURE of May 27 (vol. 109, p. 678), reference is made to the measurement of star images on eclipse plates, from ...
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