A tech titan, a digital rights defender and two menacing-looking robot dogs took the stage at our second-ever live show. By Kevin RooseCasey NewtonRachel CohnWhitney JonesVjeran PavicAlyssa MoxleyDan ...

Isaac Newton – isn't he the guy who discovered gravity? Great! So, what's gravity? Aaaah, gravity is the force that makes objects fall towards the ground. And, without gravity, we'd all float! Hmmmm… ...