Electroencephalography (EEG)

New electronic tattoos go on like face paint but conduct electricity, allowing telemetry of hearts, muscles, and brains. Robust enough to power prosthetics, the customizable substance can be removed by a washcloth and reapplied as often as needed.

Dictation tech has gotten way better over the last few years, thanks to sophisticated AI models. But an upcoming device can remove even more friction from the process of getting words onto your screen, by simply reading your thoughts.