What is "heavy hydrogen"

Usage examples of "heavy hydrogen".

It is a fusion bomb which creates a chain reaction between these two: heavy hydrogen and super-heavy hydrogen.

That contains heavy water, which is water laced with deuterium, heavy hydrogen.

One can calculate that in the hot big bang model about a quarter of the protons and neutrons would have been converted into helium nuclei, along with a small amount of heavy hydrogen and other elements.

In order to compare his heavy hydrogen results to what might happen with light hydrogen, he had to use data from someone else's experiment on light hydrogen, which was done on different apparatus.

Two large marines slammed the heavy hydrogen bomb against the sphere, where it stuck.

I had hesitated over including the radio sondes, especially the relatively heavy hydrogen cylinders for these: but they were ready crated with tents, ropes, axes and shovels and - this was the deciding factor - had saved lives on at least one occasion when a trail party, lost on the plateau with defective compasses, had saved themselves by releasing several balloons in the brief daylight hours thereby enabling base to see them and send accurate radio bearings.

More worlds than the group could count flickered in front of their eyes, from worlds of oxygen and water, through heavy hydrogen giants to scenes that might have been from a different dimension.