Does anyone know of a metal that changes color when struck and eventually goes back
to it's original color? An example of this is a material that is as strong as steel
and when you strike it with a hammer it darkens at the spot of impact and then
returns to its original state after a short...
Hi Everyone,
I have an interesting problem that I hope you can
help with. I am building an insulated wine storage
cabinet with a volume of about 13.5 cu ft. The outside
is solid wood and the inside is lined with 1" rigid
foam.
I heard that you can "cool" a cabinet by driving
large...
