Ethan Siegel is a PhD astrophysicist, science writer, author, (sometimes) professor of physics and astronomy, and longtime Star Trek fan. He has written for Forbes, Scientific American, NASA's Space Place, and many other print and online publications. His award-winning science blog, Starts with a Bang, has been educating the world since 2008.
John B. Alexander discussed events that challenge the laws of science. Followed by Ethan Siegel on "Treknology," iconic inventions from the Star Trek universe. More »