5min chapter

Ben Greenfield Life cover image

Spirit Tech: The Brave New World of Consciousness Hacking and Enlightenment Engineering

Ben Greenfield Life

CHAPTER

Trans Cranial Focus Ultra Sound Stimulation

Trans cranial focus ultra sound stimulation, or TFus, is in research stage right. It's a similar idea to the trans cranial direct current stimulation using electricity. But instead of using electricity, it uses s ultra sound waves, which are just sound waves. The goal is to invent a personal use device that could be worn by people who have had meditation practice for 30 years.

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