Jack

2020-01-03 17:23:27 UTC

On Fri, 03 Jan 2020 12:09:17 -0500, Tony Cooper

https://tinyurl.com/skze4us

but the lace cartel suppressed the invention.

After tripping over a shoelace that came untied, this article makes me

https://phys.org/news/2020-01-mathematical-stability.html

That problem was solved in the 1950s:https://phys.org/news/2020-01-mathematical-stability.html

https://tinyurl.com/skze4us

but the lace cartel suppressed the invention.