What is "ultrahard"

Usage examples of "ultrahard".

But after that first momentary shock, the ultrahard logic of his ultracold brain reasserted itself.

When a negasphere strikes ordinary matter, the two cancel out, bringing into being vast quantities of ultrahard and very deadly radiation.

They hit more problems as soon as they started to trial heavy equipment in the ultrahard vacuum that coated the Moon.

They used ultrahard steel to shape the edge and spine of the blade, the one to hold a cutting edge so perfectly sharp it virtually disappeared, the other to create a strong backbone.

This time the diverted energy was channeled into one-shot X-ray lasers, directing seventy percent of the explosion’s power into a single slender beam of ultrahard radiation.

The planer held the ship immobile while the stinger fired, and a stream of ultrahard gamma rays ran back up the beam coming from the orbiting flagship.