Transcription: Here's a simple, nice experiment. Free-floating Wubble asked me where up and where down is, and I tried to point where up is. And he stops me someplace and then he asked me, where is you up? And you see in this moment I just say I cannot tell anymore because we proved with this experiment that there's no mechanism, no integrating mechanism that can tell you as a subject what happened to you motion-wise. you