The thread Can gravity make gravity? has a mention of a kugelblitz. I can’t remember any details about a book except I’m pretty sure it’s part of series.
NM. It’s the Heechee Saga from Pohl.
The thread Can gravity make gravity? has a mention of a kugelblitz. I can’t remember any details about a book except I’m pretty sure it’s part of series.
NM. It’s the Heechee Saga from Pohl.