I imagine most of their thoughts are "Oh boy oh boy oh boy oh boy oh boy is that food? oh boy oh boy oh boy what's that smell?"

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It's a canine-sized headset that consists of EEG recorders connected to a small Raspberry Pi computer and a loudspeaker, supposedly allowing "ionic current flows" in a dog's brain to be translated into human speech. A $65 model is said to distinguish between three different thoughts, including tiredness and curiosity, while more expensive options will have more sensors and more powerful software.