and we can then record their activity. (You’ll be pleased to learn that, no, most of your brain does not care about moving dots.
How Your Brain Decides What You’re Seeing
Mark Humphries

I rememeber about the physics gravitation class where for the ease of calculation we use to consider planets as point objects . to measure the distance and measure the attraction . F=Gm1.m2/r(square).

these points are really fascinating .