source: https://www.youtube.com/watch?v=cdu16JAzgw8

Also related: https://www.youtube.com/watch?v=XbcBWdeIcyY

source: https://www.youtube.com/watch?v=JJ6orMfmorg&t=149s

Read by computer: https://www.youtube.com/watch?v=3F7cd8ilLVI

Shannon: https://www.youtube.com/watch?v=z2Whj_nL-x8

von Neumann: https://www.youtube.com/watch?v=Y2jiQXI6nrE