An unexpurgated color wheel – an interesting challenge

Have you ever seen a color picker widget anywhere which shows the entire spectrum of all possible colors in one single image? I mean, sometimes there are separate hue, saturation, brightness selectors, sometimes just two out of these three. The selection of the intended color always requires some interactivity by way of dragging some sliders, or clicking in an image which changes dynamically based…

The brain runs in four dimensions?

Uptil yesterday, I used to think that thinking in 4 spatial dimensions is a purely analytical play (and “Time” as the 4th dimension never seemed intriguing enough anyway). But I just finished reading “The Möbius Strip” by Clifford Pickover, and now I believe I am actually able to mentally and somewhat visually integrate at least some key concepts. Now I not only accept, but…