PBS has made available online three NOVA programs on unified theory. Watch the second of these titled "Welcome to the 11th Dimension". The video is separated into 8 chapters. Hint: After you have watched Chapter 1 that is 10 minutes and 2 seconds long hit the "PLAY NEXT CHAPTER" button at the top of the video window.

Answer any 5 of the questions below and hit "Submit". You can answer more than 5 if you are uncertain about your answers.

1. What is the name of the lab that is in competition with Fermi Lab?

2. What kinds of particles does Fermi lab smash into each other?

3. How many times weaker is the gravitational force compared to the electromagnetic force?

4. What is on thing that the "M" in "M Theory" could stand for?

5. How many "fundamental constants" are there for our universe?