text:  And it's an amazing illusion where you present very different pictures, one to each eye. Basically, you put on these sort of like VR goggles that give each eye a different image. So let's say your left eye gets a green square and your right eye gets a red circle. Wait, okay, so each eye only gets one of those? Yeah, exactly. Each eye can't see what's going on in the other eye. Okay, got it.