Cool Water Illusion

[Jazzy]

The Earth is 70% water. Therefore 70% of all arrows aren't facing the way you think they are.

http://www.youtube.com/watch?feature=player_embedded&v=G303o8pJzls

Source

What do you think?

 

[Nebulous's iconNebulous]

Pretty neat. thanks for sharing.

 

[Evil Eye]

The Earth is 70% water. Therefore 70% of all arrows aren't facing the way you think they are.

I don't think that's how it works

 

[Jazzy]

The Earth is 70% water. Therefore 70% of all arrows aren't facing the way you think they are.

I don't think that's how it works

Then how does it work?

 

[Evil Eye]

Well first you compute the probability of an arrow being underwater, then you do the same for humans, then you find out how many arrows there are and how many humans there are... and finally you do a bit of multiplying.