<https://www.ihmc.us/science-saturdays/paper-helicopters-november-2015/heli7/>
<http://schema.org/datePublished>
"2016-01-08T14:21:37+00:00"^^<http://schema.org/Date>
<https://www.ihmc.us/science-saturdays/paper-helicopters-november-2015/heli7/>