Steve Caplin explains how patients in rural America can now consult specialists using holographs. There's a less intrusive brain-to-computer interface. Scientists have found a way to help the voiceless speak. A car, unstable at high speeds, can expand its wheels to go faster. A new paint can be peeled off. A novel phone alarm makes sure you get out of bed. People are getting mules to do their exercising for them. And Steve reveals some of the most interesting entries for this years IgNobel Prize.
