In the linked video they appear to demo it on a wood table which almost certainly doesn't meet the 10micron flatness. For an interesting analysis of a practica

In the linked video they appear to demo it on a wood table which almost certainly doesn't meet the 10micron flatness. For an interesting analysis of a practical application of this, namely turtles and tortoises righting themselves, there's a full text analysis of the dynamics involved available here: http://rspb.royalsocietypublishing.org/content/275/1630/11.full http://rspb.royalsocietypublishing.org/content/275/1630/11.f...