Here are some great RViz Plugins for OccupancyMap and Markers
Check out this proposal for a general robotics area on stack exchange
This explanation might be somewhat reassuring, but you may want to keep in mind that the Nao is already capable of climbing stairs.
Check back later today, as the I Heart Engineering software team has some big news they are uploading for all of you TurtleBotters out there.
Robot Octopus Shows Off New Sculls
36 minutes ago