In this episode, Astronaut Tom makes a distinction between Einstein’s general and special theories of relativity, talks about time travel, and demystifies everyone’s favorite irrational number, Pi. And over at the Brain Exchange, Ground Ctrl gives us a sweet technology demo on making your own drone out of legos.

Email your questions to therealastronauttom@nullgmail.com and he’ll address them in a future episode!

If you’re interested in a career in tech, check out www.careerlink.com/setyouraim for a comprehensive repository of information about starting or furthering your technology career.