Word: glassed
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Dates: during 1930-1939
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...Throw Glass Houses (by Doris Frankel; produced by Contemporary Stage). A smash miss...
...General Electric Co. has investigated the properties of monomolecular layers- that is, oil films, one molecule thick. He finds that in such layers molecules all stand on end, lined up in the same direction; that layers any number of molecules thick could be built up on a pane of glass by repeatedly dipping it in water covered with a monomolecular film. All this, however, came under the head of "pure-science" research...
Pure science gave way to practical technology when one of Dr. Langmuir's coworkers, Dr. Katharine Burr Blodgett, found that a layer of transparent liquid soap, with a thickness of one-quarter the average wavelength of white light (about 4/1,000,000 in.), made the glass to all intents and purposes invisible. Reason: glass is visible because of the light reflected from its surface; with a soap film there are two reflections, one from the glass and one from the soap; by spacing the two surfaces properly it is possible to get the "crest" of a light wave bouncing...
Some stores and showrooms have "invisible glass" windows, but these are parabolic panes such that reflections are bent downward and absorbed in a baffle of black cloth. Glass such as Katharine Blodgett's, which actually obliterates reflection at its surface, could be used as an invisible protection for paintings in galleries and museums. Other possible uses: automobile windshields, shop windows, show cases, cameras, spectacles, telescopes, field glasses...
Only a day after Katharine Blodgett announced her discovery last week, Drs. C. Hawley Cartwright and Arthur Francis Turner of Massachusetts Institute of Technology reported at a physics meeting in Washington that they had also produced invisible glass, using a similar principle. Their reflection-absorbing varnish, however, is deposited on the glass by condensing the vapor of metallic fluorides...