Fingers do not really stretch

MIRAGE illusions are so convincing, sometimes even Roger gets caught out!…

I thought this would make you laugh: Tash and I were in the lab the other day setting up for a video on finger stretching for a publication. As you can see from the video, despite being the architect of over 15000 finger stretches, I don’t quite seem to have grasped the idea that it’s just an illusion and fingers do not really stretch…