• From where comes the hole?

    From where comes the hole?
    How can this be true? Brain strom to find out the truth.
  • Concentrate!

    Keep staring at the black dot. After a whilethe gray haze around it will appear to shrink.
  • Blowing your own trumpet!

    Blowing your own trumpet!
    Is Clinton holding a saxophone or blowing his own trumpet(literally)?
  • Solid or hollow!

    Solid or hollow!
    WARNING! This one will give you a headache! :-)