There's a good write-up here: https://www.wired.com/story/einsteins-little-known-passion-project-a-refrigerator/ https://www.wired.com/story/einsteins-little-kn

There's a good write-up here: https://www.wired.com/story/einsteins-little-known-passion-project-a-refrigerator/ https://www.wired.com/story/einsteins-little-known-passion-p... It's a bit conspiratorial to suggest this was technology bought and buried by Big Air Conditioning