Apologies if this is a silly question; I'm a computer scientist. Please feel free to correct any conceptual errors you think I am making My understanding is that the primary methods with which one can create a radioactive isotope are 1) just waiting for the isotope you want (by means of nuclear d...

I would like to know if this is theoretically possible or not and if there is a way of calculating the probability of this happening.

(I originally posted this question in the Mathematics Stack Exchange, but decided it might be better here instead. I hope this is the right place for it) I always see diagrams of how a camera obscura works where the projected image neatly stops before or at the edges of the wall opposite the pin...

This is a practical question which I am trying to determine the life of 5 rubber pucks which act as suspensions/shock absorbers for my airplane. Essentially 5 rubber pucks are stacked on each other with the weight of the front of the plane ontop (in a static system) between the body of the plane ...