More fun from mathematicians here - moving spiral https://www.facebook.com/simesuljic/videos/674364474849708/
https://www.facebook.com/simesuljic/videos/674364474849708/
More fun from mathematicians here - moving spiral https://www.facebook.com/simesuljic/videos/674364474849708/
https://www.facebook.com/simesuljic/videos/674364474849708/