In this video, I demonstrate a science experiment where a candle stays lit underwater by using a cup filled with air. I break down how air occupies space and prevents the water from reaching the flame ...

The Polaris Dawn crew Jared Isaacman, Scott "Kidd" Poteet, Sarah Gillis and Anna Menon explain the experiments conducted during the mission. Also, see a time-lapse of Isaacman's spacewalk. Credit: ...