Gravital Unit
Device that maintains Earth-comparable gravity on an asteroid.

Accidental Flight (1952)

Magneslippers
Shoes that adhere to metal space ship floors, useful in null gravity situations.

Accidental Flight (1952)

Medical Use for Weightlessness
Early reference to the idea of using a weightless environment for medical purposes.

Accidental Flight (1952)

Plastissue
Artificial flesh.

Accidental Flight (1952)

Self-Repairing Robot
A mechanism that can detect faults in itself and repair them.

Accidental Flight (1952)

Toaster
A handheld beam weapon.

Accidental Flight (1952)