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"...there's a great affinity between writing poetry and SF."
- Dan Simmons
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| Sunshades | ||
| Sunglasses that darken and lighten based on ambient lighting. |
| Red Wig walked tall, tiny beads of perspiration seasoning her upper lip, eyes hidden behind sunshades which had darkened themselves as much as they could. |
| Technovelgy from This Immortal,
by Roger Zelazny. Published by Ace Science Fiction in 1965 Additional resources -
|
Photochromic glass were developed by Corning in the early 1960's; they contain a layer of material that will darken when exposed to ultraviolet rays.
I still think that this use is a good example of how science fiction can promote a use for technology before it becomes generally available. Glasses that contained this material were not commercially available until the mid-1970's.
Compare this idea to the polawindows from Frank Herbert's 1972 novel The Godmakers.
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'...the rocket’s landing-arms automatically unfolded.'
'...points and patches of light... sliding all over their faces in a programmed manner that had been designed to foil facial recognition systems.'
'...the combined Wind-Suncatcher, like a spray of tulips mounted fanwise.'
'I went to the control room where the three other men were manipulating their mechanical men.'
'The low-slung monorail car, straddling its single track, bored through the shadows on a slowly rising course.'
'It was a smooth ovoid floating a few inches from the floor...'
'... he thrust in his charging arm to replenish his store of energy.'
'...the terrible Jovian gravity that made each movement an effort.'
