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"The answer to the problem of information overload on the Net is reputations… engineer a system called a reputation server."
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This is an early reference to this idea in science fiction. Although the double pane idea had been around since the 1860's, the technology for making a glazed double pane window wasn't really perfected until around 1915 and even then the "filler" was usually some sort of inert gas.
Here's a window onto Mercury from an observatory.
As far as I know, double pane windows separated by true vacuum are still being worked on, because air pressure causes them to collapse. Most seem to involve the use of transparent spacers.
The vacuum between two surfaces is the Dewar flask idea. Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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Science Fiction
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'But after washing and drying clothes had to be smooth - free from fine lines and wrinkles ...'
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