Recent content by Bob65

I am a retired electrical engineer, now able to get back to studying what I really enjoy - mathematics and physics. As a genuine old geezer, my modern physics knowledge, which was never very deep, is now way out of date. I purchased a copy of "Modern Physics", by Kenneth Krane, and have been...

Where may an individual purchase a printed copy of the CIE xy chromaticity diagram, showing (reasonably) true colors and hues? Preferably, I would like to have a copy that shows some of the wavelengths of the monochromatic colors around the periphery of the diagram (except, of course, for the...

The TRACE website has a solar image that is described as, quoting from the text associated with the image, "This is a false-color, 3-layer composite from the TRACE observatory showing the solar corona: the blue, green, and red channels show the 171A, 195A, and 284A, respectively. These TRACE...