22 Sep
2017
22 Sep
'17
9:47 p.m.
On Friday, September 22, 2017, 1:38:28 PM PDT, juan <juan.g71@gmail.com> wrote: On Fri, 22 Sep 2017 19:30:42 +0000 (UTC) jim bell <jdb10987@yahoo.com> wrote:
Sometimes somebody gets a new idea.
> And the new idea is based on (a lot of) old ideas. At best it's a new rearrangement of old elements. Especially in technical fields where valid ideas have to stick to physical/mathematical principles that are *not* invented, but discovered. Here's a brain-teaser: Is mathematics "discovered" or "invented"? That's not my question. http://www.pbs.org/wgbh/nova/blogs/physics/2015/04/great-math-mystery/ Jim Bell