This is very good explaination how Casimir Effect is calculated. It also show what Cantor said when he meant that their is bigger infinity beyond smaller infinity. So natural numbers might be infinite but Real and Complex numbers are greater. Waves outside enforce higher pressure on the plates because their are more Waves outside then inside. Inside only Waves of natural numbers fit. Outside their is Real number Waves. Sorta….its not true since Plank Leangth break down the outside waves. So waves outside and inside are not infinite after all. Wavelength is bigger then plank wavelength 1.61E(−35) meter. Hier wird der Casimir effekt einigermaßen erklärt. Es hat sich alles experimentell bewiesen.