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Pressure Curtain
A force field that creates a barrier that people can pass through but air cannot - an airlock in a spacecraft. (Read the full article)
| "I always wondered if (and how) this would work in real life. The book doesn't really offer an explaination how the Curtain works, nor does the device seem to use a Langston Field. " (Gatomon41 11/28/2012 2:06:34 PM ) |
| "Clever Moties! As you recall from the story, they had other miraculous devices, including the galaxy's best coffeepot. As far as I know, the only successful 'curtain' technologies are the Air Curtain devices you sometimes see used in zoo exhibits that house butterflies. They are permeable for people - but not insects.
Supposedly, they can be used to separate 'Smoking' from 'Non-Smoking' sections in hotels." |
| "If you're interested in this 'curtain' idea, you should also check out this sonic barrier used in a Roger Zelazny novel." (Bill Christensen 11/28/2012 2:37:18 PM ) |
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