A part of PRX (Public Radio Exchange), they are a collection of story-driven podcasts sponsored in part by the Knight Foundation.
PRX : http://www.prx.org/
Knight Foundation : http://www.knightfoundation.org
Headed up by their flagship podcast 99% Invisible which is based on architecture and design and hosted by Roman Mars
rxvt = Roberts XVT. X = X Window System, VT = VT102 terminal
VT Terminal : http://www.en.wikipedia.org/wiki/VT100
rxvt started as a replacement for xterm. Written by Rob Nation http://en.wikipedia.org/wiki/Rxvt
Forked by Marc Lehmann and called rxvt-unicode or urxvt. Gave features such as transparency, Perl extensions and better font support http://en.wikipedia.org/wiki/Rxvt-unicode
Uses the .xdefaults configuration file in your home directory for customizations.
Phil Plait's Crash Course Astronomy
Also known as The Bad Astronomer
Wikipedia : http://en.wikipedia.org/wiki/Phil_Plait
Blogs at Slate : http://www.slate.com/authors.phil_plait.html
Ted Talks : https://www.ted.com/speakers/phil_plait
Crash Course on YouTube: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPAJr1ysd5yGIyiSFuh0mIL