This humble cactus could help fuel our drought-stricken world | Gizmodo
As drought strikes broad regions of the world, farmers are focusing on the crops that can feed people—not the crops that can power their cars. But what if there was an energy crop that could grow where traditional crops can’t? Even in a drought? Enter the cactus.
John Payne’s insight:
There’s no obvious connection to robotics here, until you look at the problem of harvesting the seeds. Solve that and the rest is easy.