OpenBCI, a project originally funded by DARPA, offers an EEG headset starting at $449 allowing DIYers to peer inside their brains.
Sci-fi is full of tales about people controlling machines with their minds, but sci-fi is already here, sorta. For example, earlier this year, during the Cognitive Technology exhibit at San Francisco's Exploratorium science museum, visitors could don electroencephalogram (EEG) headsets that read brainwave patterns to move a robotic arm. They could also create images based on their brainwave activity. There are many other examples of scientists or just DIY "neurohackers," jacking in to starting figuring out how the electric energy in their skulls can be deciphered.
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