Those of us in the U.S. all are well aware of Social Security Cards. CGP Grey explains all about Social Security Cards.
If you are unsure about what’s next for Brexit, this video by CGP Grey is a good primer.
If you haven’t watched any of CGP Grey’s videos, this is one of the good ones. Given this video, and the Trouble with Transporters video it appears, to me anyway, that CGP Grey is doing some thinking about consciousness.
YouTuber CGP Grey has created a video that puts some serious doubt on whether Transporters in Star Trek could actually work, but not necessarily for technical reasons. Well worth the watch.