Walls of Acid

Walls of Acid is a science fiction novella by Henry Hasse, written in the mid-20th century during the post-World War II era. The story follows Braanol, an advanced brain preserved in liquid, as he recounts the downfall of the once-great civilization of Diskra, now threatened by the genetically altered subterranean species known as the Termans. This cautionary tale explores themes of survival, evolution, and the consequences of scientific hubris, emphasizing the dangers of underestimating one's enemies and the implications of advanced technology.