This is trippy

Look at the red lines do they appear to be wavy

Stare at the image below and slowly move your head toward and away from the screen

Scroll this page up and down and watch and watch the centre square magically move
Dot illusion, Stare at the dot in the center of the picture

Partly close your eyes and then try to read

Is the shape below a perfect square?

These lines are straight although they do not appear so

This content is written very well. Your use of formatting when making your points makes your observations very clear and easy to understand. Thank you.
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