A Whisperpedia reading about Roller Coasters – includes their history, physics, safety, and different types.    Click on the following to get access to: Many more Whisperpedia Episodes. All of the Old Episodes, Bonus Episodes, Videos, Photos. Things to do if you can’t fall asleep: Subscribe to the podcast on Apple/iTunes or Android/Google. Submit a question via the  Ask Harris … Continue reading 146 Whisperpedia: Roller Coasters – History & Physics