Reminds me of a fascinating podcast by Radiolab - 9 Volt Nirvana: https://radiolab.org/podcast/9-volt-nirvana/transcript https://radiolab.org/podcast/9-volt-nir

Reminds me of a fascinating podcast by Radiolab - 9 Volt Nirvana: https://radiolab.org/podcast/9-volt-nirvana/transcript https://radiolab.org/podcast/9-volt-nirvana/transcript > SOREN: So what Sally had stumbled into was something called TDCS. It stands for 'transcranial direct current stimulation.' The idea is you take a couple little electrodes, you place them on your scalp, connect it with wires to a battery. You send a little bit of electricity into your brain, and then all kinds of things happen if you believe the claims. ... > MICHAEL WEISEND: So almost every person that we put this on says they get into what they call a "state of flow," where they don't recognize that the time is going by, they're just, boom, boom, boom, boom. ... > SALLY ADEE: And I was like, "Did you guys make it easier?" They're like, "No, same—same level." I'm like, "I think you guys made it easier."