You know I like to use pictures for data from time to time, right? One problem is that I don't know much about cameras. There, I said it. Really, almost all of my photos are made with my phone. That ...

Figure 1: The angular declination hypothesis. Figure 2: The effect of viewing through a pair of 10 PD base-up prisms and the after-effect of adaptation to base-up prisms on judged distance in the ...

You know what happens when I get a new toy? Physics happens. I can't stop myself, it's just the way I am. In this case, the toy is a DJI Spark drone (it was a birthday present). I've always wanted a ...

Using the unique capabilities of telescopes specialized on cosmic gamma rays, scientists have measured the smallest apparent size of a star on the night sky to date. The measurements reveal the ...