How RFS Sees Numbers (IMAGE) Johns Hopkins University Caption When shown a digit, RFS only saw a scramble of lines that he described as 'spaghetti' and he had no idea which digit he was looking at. Credit Johns Hopkins University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.