100 Years of Relativity + Challenge Winners!

The video celebrates the 100th anniversary of Einstein's general relativity, explaining its impact on our understanding of the universe. It introduces an asteroid challenge involving the hypothetical scenario of redirecting Apophis using a gravitational tractor. The video details the calculations needed, including Newtonian mechanics and the rocket equation, to determine the mass and fuel requirements for the mission. It concludes with a teaser for future episodes and a break for Thanksgiving.

What new insight or understanding did you gain from this video?