No idea what Adm Hopper might have done to illustrate a light second, or indeed if she ever did, but if you take one of the 12 inch nanosecond wires, and wrap it around a half inch diameter sphere like a glass marble or a steel ball bearing, then imagine that the sphere is planet Earth, the 12 inch wire would now represent about a light second.
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Charles Mills Sent: Monday, January 25, 2016 1:32 PM To: [email protected] Subject: Re: the Queen of Coding - Adm. Grace Hoper Loooong piece of wire ... Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Paul Gilmartin Sent: Monday, January 25, 2016 11:27 AM To: [email protected] Subject: Re: the Queen of Coding - Adm. Grace Hoper On 2016-01-25 12:19, Nims,Alva John (Al) wrote: > While I was an undergrad at Western KY University in 1978 or 1979 (my memory core has worn out!) she came to talk to a group of us computer nerds while she was still Capt. Grace Hoper. She still had her "Second", "Micro" & "Nano" second lengths of wire. Still effective description. > Errr... "Second"? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
