ISO80000-2 Mathematical signs and symbols to be used in the natural sciences and technology (PDF) http://miud.in/1Fu3

@dvespa https://www.youtube.com/watch?v=nls0T5aqhcc

RT @SirPatStew: Time for some traffic problems in São Paulo… http://t.co/d29u5ctJBG

@SirPatStew Going to places in São Paulo is trivial when you have the Enterprise under your command 🙂

@Carlos_Massam tuíto pouco, mas tuíto sempre

DARPA Petman Robot https://www.youtube.com/watch?v=5S4ZPvr6ry4