Frogwatch wrote:
On Sep 28, 10:00 pm, cavelamb wrote:
There is no such thing as a rigid support.

The book on the table actually does compress the table an amount equal to it's mass.

Compression is an expression of stored energy.

BTW Cavelamb, are you a caver?

I've been lost in the dark once or twice.
But not for a while now.