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| Keywords: Brain Sensor.jpg en https //en wikipedia org/wiki/National_Institute_of_Standards_and_Technology NIST's atom-based magnetic sensor about the size of a sugar cube can measure human brain activity Inside the sensor head is a container of 100 billion rubidium atoms not seen packaged with micro-optics a prism and a lens are visible in the center cutout http //www thealphalevoiq com Geniux review The light from a low-power infrared laser interacts with the atoms and is transmitted through the grey fiber-optic cable to register the magnetic field strength The black and white wires are electrical connections http //www nist gov/pml/div688/brain-041912 cfm See also Credit Knappe/NIST 2011-12-16 09 47 46 https //www flickr com/photos/usnistgov/6948315898/ National Institute of Standards and Technology other versions PD-USGov Brain | ||||
