Wearable tech can track your sleep patterns, give you walking directions that float above your eye, and measure your heart rate using the shirt on your back. But can a wearable gadget make you think faster, or even make you momentarily smarter?
Turns out, it can. But only by attaching electrodes to your head that shock your brain, which is how devices like the Focus headset work. The Focus is designed for gamers --- only if you're 18 years old, or older -- and made headlines in May when its Web site opened for preorders. The Focus marks … Read more