Newton-ish Cradle?

A device that demonstrates conservation of momentum and energy.

I'm lacking both today. (I'm probably conserving them).

I've been smiling at a couple of Malapropisms (I hope not unkindly).

I was earnestly told not to talk about a certain event.

''Because it will spread like wild flies''.

(They do spread, those wild flies, if you're not careful!).

Roll on Friday.
(And I'm not referring to a corset for the weekend).

Over and out.