Omg, you’ve so got to see this … really really really interesting stuff! (so interesting that it cannot just be lost in an elsewhere post)
More info over at http://www.tenthdimension.com/
B!
Just saw "Deja Vu" today … good to have seen this here first 
Bram.us is the technical/geeky weblog of Bram Van Damme (nicknamed Bramus!), a 28 year old geezer raised in Deinze and living in Gent Vinkt, Belgium with his girlfriend Eveline, his son Finn and his daughter Tila.
Professionally — after having worked as a web developer for several years at several web agencies — Bramus is a Lecturer Web Technologies within the study programme Professional Bachelor ICT at Katholieke Hogeschool Sint-Lieven, Gent, Belgium.
Next to his ramblings here, you may also follow Bramus on Twitter. The RSS Feed of this blog is also available via Twitter.
Very interesting indeed. As well as the sounds
At some level at math you can calculate in more than three dimensions. It doesn’t make much sense at first sight, but this animation explains why it may be not so silly.
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