Transcranial Direct Stimulation

"Ilyweaproch" is a weekly, offbeat look at what's happening in the world of technology. This week, Steve Wozniacki talks about brain-hacking devices that could be used to make people smarter or help them with depression and other conditions. He says they're not as precise as having a wire next to brain tissue, but it does work. "It doesn't make you smarter like d i think that's important," he adds.