64=65?

I saw this ages ago. Explanation is, that "rectangle" that comes out after rearranging pieces is not really a rectangle (diagonal is not a line, but consists of 2 lines). It can be proven by calculating internal angles. So actually the "diagonal" has an empty space with field = 1.

If you like optical illusions, take a look at 212.33.90.248/~omega/rotsnake.gif

[peleon]

Originally Posted by omega_red

If you like optical illusions, take a look at 212.33.90.248/~omega/rotsnake.gif

Damn, I thought I was going crazy when looking into that image Good one!

Regards