"Plasma windows can separate vacuum and atmosphere, or regions of high and low vacuums, in a way which facilitates transmission of various particle beams and/or radiation from low- to high-pressure regions. In a prototype device, a stabilized plasma arc was properly configured to function as a nonsolid plasma window. Since charged particles can be focused by these arcs, focusing of such beams is a secondary function of this device."
The civilians were chattering among themselves - "But there's no air in here!" Staley yelled.
"Not here, sir," Hasner said. He pointed. "Some kind of box thing there, makes like a curtain, Mr. Staley. Air can't get through it but we can."
The Marine Gunner stepped gingerly through the invisible barrier. He had to push. "Like - maybe kind of like the Field, Mr. Staley. Only not so thick."
(Read more about the pressure curtain)
I couldn't find a suitable Star Trek TNG video, but this idea was also used in the original Star Wars movie (1976):
Scroll down for more stories in the same category. (Story submitted 4/1/2022)
Tiny Flying Robot Weighs Just One Gram
'Aerostat meant anything that hung in the air. This was an easy trick to pull off nowadays.' - Neal Stephenson, 1995.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
Humanoid Robots Building Humanoid Robots
''Pardon me, Struthers,' he broke in suddenly... 'haven't you a section of the factory where only robot labor is employed?''