ultra-force

Updated: May 15, 2025

Then in that tube of vacuum was waged a spectacular duel of ultra-weapons weapons impotent in air, but deadly in empty space. Beams, rays, and rods of Titanic power smote cracklingly against ultra-screens equally capable. Time after time each contestant ran the gamut of the spectrum with his every available ultra-force, only to find all channels closed.

E. E. (Edward Elmer) Smith - Triplanetary