Elon Musk is into telepathy.

The Tesla founder’s new company, Neuralink, is working on linking the human brain with computers to create a product that can help people with severe brain injuries. And in an in-depth interview with website Wait But Why, Musk said that he thinks that can happen in just about four years.

“If the team can pull off the implantable, biocompatible wireless hardware it’s dreaming of, then humans could communicate with computers and even each other with only thought,” Engadget explains.

As Musk himself explains it: “If I were to communicate a concept to you, you would essentially engage in consensual telepathy.” He goes into detail on the topic, saying: “There are a bunch of concepts in your head that then your brain has to try to compress into this incredibly low data rate called speech or typing,” he says. “If you have two brain interfaces, you could actually do an uncompressed direct conceptual communication with another person.”

The four-year timeline is just for the devices to help those with disabilities. The technology could take eight to 10 years for people without a disability, Musk explained in the interview. And getting that to market would depend on regulatory approval and the success of the devices on people with disabilities, he explains.

Tech writers, of course, have much to say about this. Engadget cautiously noted that while “so far, Musk’s strategy has worked effectively to build his rocket and electricity companies, we’re at least a few years away from finding out if the streak will continue.”

The Wait But Why interview boldly made this statement: “Six weeks after first learning about the company, I’m convinced that it somehow manages to eclipse Tesla and SpaceX in both the boldness of its engineering undertaking and the grandeur of its mission. The other two companies aim to redefine what future humans will do—Neuralink wants to redefine what future humans will be.”