How to pronounce “crackpot”(noun) in English

I started to feel a little crackpot-ish.

spray salt water at the problem they some crackpots came up with the idea there was oh fissures shooting

for humanity, ones that often traditionally have been relegated to crackpots, relegated to journalists or retired physicists

Which sounds like a crackpots talk but scientists have actually succeeded in making things invisible.