BD intersection is a Loaf of News & Technology, Science & Fiction, shopping & Entertainment & B$ in general. BDi is a semi-obscure blog for mature readers.
https://en.wikipedia.org/wiki/Brain_in_a_vat
https://en.wikipedia.org/wiki/Brain_in_a_vat#In_fiction
https://en.wikipedia.org/wiki/Boltzmann_brain , https://www.youtube.com/watch?v=9UfQb_-XAuY , https://www.youtube.com/watch?v=GrK9EaQRp2I
