This has been the week of strange and somewhat unique devices...a stylish baseball cap that detects and analyzes EEG signals...will tell you if you are too sleep to drive. I do have to admit this is better looking than most devices I have seen...but I'm really not in
Besides driving, mobile EEG-sensing BCI systems could be used for a variety of other applications. For medical purposes, the researchers suggest that the technology could be used for home care for the elderly, medical monitoring, and exercise training. They also expect it to have applications in controlling household electronics devices, which has previously been investigated for physically disabled individuals. 
“We will miniaturize the system and apply SoC [system on chip] technology,” Ko said. “We also will create more applications using the mobile and wireless EEG system.”
to baseball caps...works with Bluetooth technology and RF as well...eventually they hope to allow you to control devices, such as a TV and turn it off and on just by thinking about it...now that could be scary....especially for those of us with very active thoughts! BD
The cap contains five embedded dry electrodes on the wearer’s forehead, and one electrode behind the left ear, that acquire EEG signals. Then, the EEG signals are wirelessly transmitted to a data receiver, where they are processed in real-time by a dual-core processor. The BCI system includes Bluetooth transmission for distances of 10m or less (e.g., for driving applications), as well as RF transmission for distances up to 600m (e.g., for potential sports applications).
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