Problem with Coin Cleaning

I don't want it, you can keep it.

 

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You guys are ripping off one of my favorites: Groucho Marx.

 

I'd respond to that but I'm too busy figuring out what 2+2 equals???

Who?

 

A child of five would understand this. Send someone to fetch a child of five.

 

Oh, you can retain that into your 90's. : - )

 

I wouldn't want to join a club that would have me as a member.

 

Swordfish

 

In one chem experiment, a copper wire is heated in a bunsen burner flame until it turns black and is then put into a test tube above methyl alcohol and the vapors make the blackened copper very bright again.

 

You obviously didn't sleep through chemistry class as your humble narrator did

 

Uh...actually I was teaching it.

 

Rofl

 

Exactly the same, only with acetone vapors under similar concentrated conditions. As long as there's vapor, it sits there and almost-burns. Not exactly something you'd do as a matter of normal practice while using acetone as a conservation agent.

 

lol

 

Actually what the methanol is doing is being oxidized to formaldehyde (which you can smell if you are an olfactory type) with the help of the copper oxide which is itself reduced to metallic copper.