Smarter Every Day: Opening the Shutters on the Space Station

My friend Destin is the brains behind the fantastic Smarter Every Day video series, where he investigates cool science facts. They usually start with a question Destin has, and then he dives into it. So here's a good one: On the International Space Station, the astronauts take all those amazing photographs through the "cupola," a bump in one nodule on ISS equipped with seven windows. The windows are equipped with shutters to protect them ... but how do the astronauts open them? To answer this, D...