Tuesday, May 30, 2017

For the Golfers


3 comments:

  1. It's an aiming point. They are common on reduced water toilets.

    It's even describable with MATHs
    http://www.bbc.com/news/science-environment-24820279
    Physics!

    ReplyDelete
  2. That's an excellent article - those BYU reserchers are quite thorough!

    ReplyDelete