In one experiment, 6 volunteers were subjected to the G-force of an F16. 
Then they tested a 96-year-old former World War II pilot  ...

 https://t.co/mnhsYVuGc4 https://video.twimg.com/amplify_video/1750161227546791936/vid/avc1/504x502/U7TYY9xoqKNN6qoG.mp4?tag=14