Airmakers
Machine to create breathable air from the constituent materials on an alien planet.

The Big Rain (1954)

Chowlock
A small opening in a space helmet for food insertion.

The Starfox (1965)

Electrotruck
An autonomous, electric truck.

The Corkscrew of Space (1956)

Farside
The portion of the Moon's surface that faces away from Earth.

We Have Fed Our Sea (1958)

Galactic Damping Field
A vast field of force emanating from the center of the galaxy.

Brain Wave (1953)

Gravity Drive
A spaceship propulsion method that uses gravity or gravity waves.

Star Ship (1950)

Gravity Well
If you visualize spacetime as a flat, elastic plane, a planet will deform it, and it sits at the bottom of its own hole.

Life Cycle (1957)

Laser Rifle - earliest use of term
A laser weapon shaped (and fired) like a traditional rifle.

Door to Anywhere (1966)

Lunar Observatory
Putting an observatory on the far side of the Moon could have advantages.

We Have Fed Our Sea (1958)

Oxygen Concentrator
Gathers oxygen from a thin atmosphere until it is breathable, supporting life.

Duel on Syrtis (1951)

Rogue Planet
A planet without a sun, it wanders through galactic space.

Satan's World (1967)

Rotated Solid Space Habitat - a solid can city
A solid version of a artifact rotated to achieve artificial gravity.

Iron (1989)

Star Drive
The propulsion unit for an interstellar space craft.

Genius (1948)

Suspensine
Slows biological functions enough to survive in airless space - for a time.

Duel on Syrtis (1951)