Robots are getting softer.
Borrowing from nature, some machines now have arms that curl and grip like an octopus, others wriggle their way inside an airplane engine or forage underwater to create their own energy.
This is technology that challenges how we think of, and interact with, the robots of the not-too-distant future.
Robots are big business: by 2020, the industry will have more than doubled to $188 billion, predicts IDC, a consultancy. But there’s still a lot that today’s models...