Q: If you could drill a tunnel through the whole planet and then jumped down this tunnel, how would you fall? Posted on August 3, 2012 by The Physicist Physicist: This is a beautiful question, in a small part because itÂ’s an interesting thought experiment with some clever math, but mostly because of all the reasons it couldnÂ’t be done and wouldnÂ’t work. Right off the bat; clearly a hole canÂ’t be drilled through the Earth. By the time youÂ’ve gotten no more than 30 miles down (less than 0.4% of the way through) youÂ’ll find your tunnel filling will...