Time Walking Report: The Speed of Light

If you're having trouble time walking, this might help. It clears up some of those tricky concepts like the speed of light, Doppler shift and why we love British accents so much.


  1. He's cute!

    I took an astronomy class right before I read your book so I felt really smart when I knew what you meant about the red shift/blue shift!

  2. I could see this kid being the Doctor Who after the next two. He also has a cool name.

  3. Awesome. I love the red/blue shift idea! So, I wonder if you were able to take a photo of someone directly in front of you while they were traveling the speed of light, would they be purple?