<http://schema.org/description>
"A team at the Universidad Polit&amp;eacute;cnica de Madrid in Spain have designed and developed a spherical robot that they hope can be used in a wide range of outdoor missions, including farming."^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/rolling-rosphere-robot-can-travel-over-virtually-any-terrain/>