资讯
Facebook on MSN
Why do balls untwist?
Explore the physics behind why twisted balls untwist on their own. Discover the surprising forces and motion at play in this ...
WCIA Champaign on MSN
Meteorologist Adam Sherwinski Gets a Spin on Science!
Living Host and Meteorologist Adam Sherwinski learn about the conservation of angular momentum using a tire and a chair!!
一些您可能无法访问的结果已被隐去。
显示无法访问的结果