This is what Popper has to say about Hegel (note 1: everything below this paragraph came from Popper’s book; note 2: I formatted the paragraph for clarity.):
“In order to discourage the reader beforehand from taking Hegel’s bombastic and mystifying cant too seriously, I shall quote some of the amazing details which he discovered about sound, and especially about the relations between sound and heat. I have tried hard to translate this gibberish from Hegel’s Philosophy of Nature as faithfully as possible; he writes: