ptolemyk

Posted by ptolemyk on Monday June 22, 2020 @02:02AM
from the confluence.slac.stanford.edu dept.

Posted by ptolemyk on Monday January 25, 2016 @02:11AM
from the ted.com dept.

Posted by ptolemyk on Monday June 01, 2015 @04:07AM
from the algoviz.org dept.

Posted by ptolemyk on Friday March 20, 2015 @06:23AM
from the bbc.com dept.