This time, if the optical illusion is clearly architectural, it’s blown up to a full Swiss village. Felice Varini applied here the rules that we well know to all the building of this nice little town.

Source : Core77.

This is more science experiment than actual optical illusion, but since glycerin and glass have about the same refractive indices, just putting a glass bottle (or any other glass object) in a container filled with water and 1/3 of glycerin makes it disappear.

This optical illusion known as Ames’ Window was developed by Adelbert Ames, Jr.

This marvelous fountain created by James Dyson seems to be willing to prove that water is not submitted to the same gravity forces as the rest of the known universe. waters seem to flow up the four slopes.

Fountain Illusion

As a matter of fact, water really flows in the usual direction and is obeying physics laws, but the combination of a very thin laminated flow on the top of slopes and of bubbles dragged in the flow under them build the necessary illusion.

Would I have a garden or a loft, I would want to have that fountain to decorate it.

This building was created in Prague by Vlado Milunc and Franck Gehry, between 1992 and 1996. It really seems creepy and you should not stand in front of it if you are prone to vertigo fits.

La maison qui danse (Prague)

Dansing house, Nationale Nederlanden building, in Prague.

Light green and light blue spirals seem to have different colors. But don’t believe your eyes. They really have exactly the same color (described in HTML with the following fundamentals: R=0, G=255, B=150).