Ask an Astronaut Episode Four Has Landed

July 18, 2019

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 and he’ll address them in a future episode!

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