I'm a big fan of the 'brain in a jar' concept. We might need more than just the brain, but if quality of life is comparable for that individual via BCI to what

I'm a big fan of the 'brain in a jar' concept. We might need more than just the brain, but if quality of life is comparable for that individual via BCI to what they would have had with a full sized biological body (or better), it will happen. For one thing, that person requires fewer resources, such as nutrients, physical space and waste management. For another, it could increase lifespans and would definitely reduce cancer risk. I suspect it could eventually become a requirement for many types of space exploration.