Illusions

Do u think that the lines are not straight?

Map with ruler.

Here are the dancing robots.

Cant u c them dance. Move ur head away and toward the STILL image.

Isnt it looks wavy?

Move ur head away and toward the STILL image.

Concentrate on the central black dot only.

The other colors will be gone after ~10 secs.

May b u have drunk so much alcoholic.

C this image(s) from 1ft(one foot) and then from ~4ft.

The left-right images should b swapped.

Once again, map the violet line with

ruler if they r looking curvy.

This image should look like dancing when

u move ur head away and towards the image.

One more and the last, to map the red lines with ruler.

How many polls r in the image? two or three?