August 1, 2013—Though EEG (Electroencephalography) has been around for decades, now, new technology allows us to detect and measure brain activity with a lightweight headset and mobile phone. National Geographic Emerging Explorer and entrepreneur Tan Le demonstrates how her company's EEG headset and software can be used for a variety of research purposes. Read the article from National Geographic News: news.nationalgeographic.com/news/2013/08/130801-tan-le-portable-brain-scanning-headsets-neuroscience/