If you are afraid of heights, this is a super scary video. In case you are too afraid to watch it, this dude jumps off the top of a building that is listed at 129 feet and lands in water. But wait!

In a previous post, I was trying to show that the range of a projectile depends on the launch angle. Yes, this isn't that too difficult to see in an introductory physics course, but how do you show ...

__A lot of insiders were wondering what new math R&A Chief Executive Peter Dawson was using __when he spoke up about changes to Royal St. George's for this year's British Open, which starts Thursday.