Even for folks who know a lot of the basic physics in billiards, there is surprising depth. For example:<p><a href="http:&#x2F;&#x2F;billiards.colostate.edu&#x2F;high_speed_videos&#x2F;new&#x2F;HSVB-34.htm" rel="nofollow">http:&#x2F;&#x2F;billiards.colostate.edu&#x2F;high_speed_videos&#x2F;new&#x2F;HSVB-34...</a>