Unanswered Questions
About the Universe

MESOSCOPIC

-Why do bubbles in Guinness go down?

-Tea Leaves in a cup of hot water.  Why do they go to the center when you mix it?

-If you have a block of side lengths a, b, & c, what is the probability that it will land on any one of those sides when dropped from a height h?

-How does a Laser Printer work?

-Why do some white things glow in blacklight (UV)?

-Why does spaghetti break in three?

GRAVITY

-Will an electron radiate as it accelerates through a gravitational field?

-Can you do any experiments to determine if you are falling or floating in a box? 

  Will light behave differently in a gravitational field?  Will it take a longer time to go up

   Than come down?

-Can we choose a reference frame in which time goes slower, space expands?

-How does a pendulum on the north pole know what the stars are doing?

QUANTUM MECHANICS

-How do you compare the wavelength of the photon to that of an electron?  If they have the same de Broglie wavelength, do they have the same tunneling coefficients?

-How do you build a phonon detector that measures phonon frequency?

-How many photons are in a wavelength?