Do the light gray triangular shapes in the diagram below have the same hue and brightness?

Do the light gray triangular shapes in the diagram below have the same hue and brightness?

This is one of my oldest illusions I created in the 90s. In the picture you may see ghostlike dark radial beams. This illusion is a variant of the Herman’s scintillating grid illusion. I designed this illusion just by turning 45 degrees the Herman grid and then by applying a polar transformation.

Salvador Dalí : Sept corps nus et un crâne, 1951 (Human skull consisting of seven naked women).

Often symbols of MORTALITY (or some romantic notion of immortality – as the belief that a spiritual part of a person survives death) and POWER, skulls have been employed in human rituals and art since the dawn of humanity: from the ancient animal skulls in Paleolithic burial sites, to the curlicued cattle skulls that haunt Georgia O’Keeffe’s canvasses. Skulls cannot be assumed to be only a mere symbol of death, they are also used in initiation rituals as a symbol of REBIRTH, symbolizing the ‘sephirah daath’ (סְפִירָה – sephirah, “enumeration” in Hebrew) on the cabalistic tree of life, the gateway to a higher awareness only achievable through spiritual death and rebirth.
Look at the colored rings from a distance. Then decide which ones have YELLOW inner circles, and which ones have BLUE inner circles.

My optical art has been featured in the February issue of the German science magazine PM.


Take a look at this photo — it almost looks like a “transparent” or “camouflaged” knife! I snapped it years ago at a magician’s party. The trick here is all about specular reflections. It’s a simple illusion, but surprisingly effective. When you place a knife blade between the tines of a fork, it reflects nearby objects, making the blade seem almost invisible.

For over 10 years, I’ve had the pleasure of collaborating with Focus, an Italian monthly popular science magazine published in Milan.
In October 2020, Focus released issue #336, which featured my article and optical illusions. This special edition included a 10-page dossier on visual perception, showcasing over 13 original illusions I created, complete with explanations.
The cover of this issue also featured a unique effect I designed for Focus. As you read the main title, the cover image moves, and, intriguingly, the title changes depending on your perspective—read closely, and it says ILLUSIONI; look from a distance, and it transforms into COSA VEDI?

My autokinetic optic art will be presented and discussed in the German fashion magazine “Barbara” to be released on July 8.

Curiously enough, the cubes don’t move only the background color changes…

Here is my tutorial to create an amazing autokinetic animation.
Look at the picture from a certain distance and check which colors are in the patchwork. Image taken from my book “Fantastic Optical Illusions” available from Amazon US: https://www.amazon.com/dp/178739235X/?tag=archimelabpuz-20 and Amazon UK: https://www.amazon.co.uk/dp/178739235X/?tag=archimedeslab-21
