Which statement best summarizes the central idea of kaku’s video? human consciousness cannot be fully understood by science, but scientists have technology in place to make sure that humans can be immortal. it is not currently possible to transfer human consciousness, but technological advancements might one day make it possible. it will be possible to transfer a human brain to a robot in the future. this is based on the idea that consciousness can be stored outside the brain. consciousness can be transferred to a memory chip, but not a robot. in the future, it may be transferred to robots as well.