0
0
41 words
0
Comments
Researchers from Jumonji University in Japan worked out equations that accounted for a person being able to lean forwards or backwards at any point during a swing's arc.
You are the first to view
https://www.dailymail.co.uk/sciencetech/article-11985517/Scientists-confirm-best-way-make-swings-HIGHER.html
Create an account or login to join the discussion