Home

Puzzles, situation puzzles and recreational mathematics.

situation puzzles and recreational mathematics. Neuron juice
 
 
 

Neuron juice.

The important thing is not to stop questioning. (Albert Einstein.)

  

 

They are straight and parallel ?

 

 

Ilusion óptica

Are the horizontal lines parallel ?.


And straight or curved ?


This optical illusion is indifferent it as horizontal lines or rotate the image 90 degrees and see the lines vertically.