When hair was mentioned as used in the device one thinks "bunkum" or similar. Then one learns that melanin is a semi-conductor and that initial thought is at least tempered with "they may have something of interest; if that device produces that output I'll eat my hat, but perhaps it has some output?".
When hair was mentioned as used in the device one thinks "bunkum" or similar. Then one learns that melanin is a semi-conductor and that initial thought is at least tempered with "they may have something of interest; if that device produces that output I'll eat my hat, but perhaps it has some output?".