Comment on The cylinder must remain unharmed
edinbruh@feddit.it 4 weeks agoThe cavity is not a cavity, because there’s the walls of the second hole passing through it
Comment on The cylinder must remain unharmed
edinbruh@feddit.it 4 weeks agoThe cavity is not a cavity, because there’s the walls of the second hole passing through it
WraithGear@lemmy.world 4 weeks ago
by jove! i think you are right!