Hotel Cosmos by Raymond Z. Gallun:
Science Fiction Inventions, Technology and Ideas
Exciting tale takes place in a multispecies hotel and convention center on Earth. Guests who cannot survive under Earth conditions participate using floating proxy robots. A fey mood overtakes everyone in the hotel; chaos then reigns! Who can remain calm and solve the problem?
A handheld bomb that melted its way into an armored door, then detonated.
Lightweight Vacuum Armor
A simplified space suit, used where conditions were similar to Earth rather than in the more rigorous conditions of space.
A remote-controlled floating telepresence robot, for use by aliens who cannot share an atmosphere.
A portable environment chamber, able to support unique and different lifeforms.
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