Recent content by kmcguir

Ok, so cold and warm air are required for this to occur. Can this happen at close distances or is there a limit?

Does atmospheric refraction only work at certain temperatures, distances, and shape of the object (i.e. only spheres)?

Great! Thanks for those responses. There was never any time to ask questions like this in class. Always trying to cover too many chapters from the text every week, so they move too fast.

In this derivation: https://cpb-us-e1.wpmucdn.com/sites.northwestern.edu/dist/8/1599/files/2017/06/taylor_series-14rhgdo.pdf they assume in equation (8) that x >> a in order to use the Taylor Expansion because a/x has difficult behavior. Why does that assumption work? Meaning, why can we...

Maria Goeppert-Mayer described the theoretical foundation for 2-photon excitation and it was later proven correct with the advent of lasers. Today, two-photon microscopy uses this quantum physics principle. For example, if you want to excite a fluorophore that has an excitation peak at 495...