• Intro. to Eratosthenes Project
• Preliminary discussion about Steven Hawking's Universe *Bring your book to class from now on! Read chapters 1 & 2 again.

• A Brief History of Time clips

• Finish A Brief History of Time clips
• Hawking clips from interviews, Star Trek and The Big Bang Theory
• ALS - Lou Gehrig clip
• What are Hawking's ALS symptoms and how does he cope with them
• How is Haking's disability a benefit for him in his studies?
• Lucasian professor of mathematics 1979 - last time he signed his name

• Questions on Eratosthenes Project
• Einstein's General Theory of Relativity
  • Connecting space and time
  • Gravitational waves

Wednesday, April 18

• Eratosthenes Project due
• LIGO and LISA
• Intro. to Visualizing Expansion

Thursday, April 19

• What was the Big Bang?

Friday, April 20

• Visualizing Expansion due