[dr_lew]

I recall vaguely that they were carrying these huge packs on their backs. Maybe the idea is that the batteries were in the packs.

OK, name the novel, which has a theme highly apropos of this discussion:

Yo's proud Thunderbolt gun was nowhere in sight, and the corpse was not wearing the powerpack that energized it.

[PapaBear3625]

Yo's proud Thunderbolt gun was nowhere in sight, and the corpse was not wearing the powerpack that energized it.

Heinlein's "Tunnel in the Sky"

[PapaBear3625]

OK, name the novel, which has a theme highly apropos of this discussion:

And the moral of that part of the book was: having a big gun is counterproductive, if it makes you so overconfident that you let somebody sneak up on you from behind...