1:59

These tricky 3D shapes create impossible illusions

New Scientist

0:49

Bringing illusions to life in 3D

New Scientist

0:47

Pulsing circles create grow-and-shrink illusion

New Scientist

0:38

Weird physical illusion makes you think objects are impossibly light

New Scientist

0:43

Pac-man illusion conceals changing maze

New Scientist

1:25

Reverse motion illusion creates pigeon neck walk

New Scientist

0:55

Morphing face becomes invisible

New Scientist

0:41

Disappearing face illusion

New Scientist

0:42

Illusion turns faces into gargoyles

New Scientist

0:50

Ugly face Illusion II

New Scientist

0:43

Colour illusion uses contours to change hue

New Scientist

3:05

Gravity-defying slope illusion

New Scientist

0:22

Lopsided illusion

New Scientist

0:24

Belladonna illusion

New Scientist

0:57

Vanishing head illusion

New Scientist

0:19

Jumping star illusion

New Scientist

0:31

Phantom spin illusion

New Scientist

0:41

Harry Potter illusion

New Scientist