How we can use light to see deep inside our bodies and brains

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August 24, 2018 Today's TED Talk How we can use light to see deep inside our bodies and brains 16:50 minutes · TED2018 In a series of mind-bending demos, inventor Mary Lou Jepsen shows how we can use red light to see and potentially stimulate what's inside our bodies and brains. Taking us to the edge of optical physics, Jepsen unveils new technologies that utilize light and sound to track tumors, measure neural activity and could possibly replace the MRI machine with a cheaper, more efficient and wearable system. Watch now »   Playlist of the Day What is your body trying to tell you? The body gives off a whole bunch of signs and signals -- which ones have you noticed and how many are you ignoring? Watch » 9 talks · Total run time 2:11:45   Download the TED app

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