Just a lovely optical illusion and a very satisfying watch once you work it out
We do like one of these, a rather lovely optical illusion shared by Cliff Pickover on Twitter.
https://twitter.com/pickover/status/1111999781931499520
Thing of beauty!
Beautiful. Makes me wish I paid attention during math class.
— Clarence Page (@cptime) March 30, 2019
This is how Isaac Newton had sex
— Secular Strategy (@SecularStrategy) March 30, 2019
That's my OCD fix for the day sorted. Thank you
— TonyFernandez (@notforprofitfez) March 31, 2019
They are also rotating. Since the bearings are welded to each spoke, which is rotating as it oscillates, each bearing makes a full 360° rotation each time they travel from one end to the other and back again.
— Shane the Freestyler (@shanefreestyler) March 31, 2019
— Kenneth Otani (@kyokujyo) March 31, 2019
Each individual ball bearing moves ONLY is a straight line. https://t.co/6JfuIiE1A1
— Dr Karl (@DoctorKarl) April 9, 2019