Psi Definition and 162 Threads

I am reading Feynman's QED. On page 50 he states " The probability of an event is equal to the square of the length of an arrow called the "probility amplitude". What, if any, is the relationship between Feynman's "arrow" and Shroedinger's wave function "psi".

Hello folks, I am trying to find some general numbers on what the recommended max. CFM for compressed air @ 90 PSI is through the following pipe sizes: 1/2", 1", 1.25", 1.5" & 3". I'm not looking for anything specific, just some general numbers. I'd greatly appreciate any input on this! Thanks!

I'm currently designing an air filtration system for the filling compartment of a beverage filler. The goal is to introduce HEPA filtered air at a rate of 2 CFM through a circular pipe opening with diameter of x inches. The air is provided by a compressed air system at a pressure of 120PSI (I...

If I have something that can lift 400lbs. How would I determine how much pressure this could generate if used in a punch type situation. I would be punching a hole.

According to quantum theory the total probability of finding the particle somewhere in space is always zero. So if a particle vanishes in a black hole will that mean (psi)^2 = 0, which is illegal?

I know that psi is equal to (2/a)^1/2 sin(n pi x/a)? what is psi*?

For recreational/educational purposes, i am looking into building a small cannon which would shoot projectiles of about 1.0 cm in diameter. I would like to gather some information regarding the PSI needed to reach high velocities (roughly 100 m/s) with a projectile of mass around 7 grams. Should...

why psi is complex! why can't it is a real ? :rolleyes:

From looking at the ice phase diagram (btw, does anybody have a high quality version of this? the one I looked at isn't that great), it appears that ice will remain in its first phase at pressures ranging from 0-14k psi. So if there is water in a container that is capable of resisting 15k psi...

I'm unable to find a hydraulic seal with a maximum operating pressure any greater than 11,000 psi, and that was a specific type of "vee packing." Does anybody know of a type of seal that can withstand more?

How can I convert 50 PSI to L/Min?

Newbie being me. I am interested in figuring out whether there are many posible outcomes to a situation or one singular future and I think understanding psi function might help me grasp the subject deeper. My problem is math, but I am willing to try to break it down as much as I can and try...