What would be the difference between MS62 and MS62 BN?
Are the blue marks supposed to be showing something? It helps if you describe what you want us to look at.
It's now tomorrow plus some...
Nice, would like to see what you would get with more depth of field.
The fact that something dissolves glass is in no way to mean it is "strong".
"It comes in crystal form. As dry crystals, there is no danger in handling with bare hands." NO NO NO NO NO, the "dry" crystals pick up water and...
An MSDS is a Material Safety Data Sheet and gives you information on stuff.
And that was still only 0.3 g. Interesting, still reminds me of the AGE Doug carried for years in his pocket until it really looked worn and...
Speaking of vinyl and mylar (PET) flips, I will mention a way to tell one from the other. Heat a copper wire in a flame (disposable lighter...
I will mention that I have done some limited (and not well controlled) experiments with linseed oil. Linseed oil is the "oil" in oil paints. It...
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Welcome to CT...yeah, you should start a new thread with the coin you have a question about, but considering this is an older thread, let me try...
I would do it, but it just seems like too much trouble
I always enter the Coin Week drawing and noticed that they have stopped requiring people entering to complete a subtraction problem...is this an...
I think there is a slight bubble and perhaps the beginning of some zinc rot (corrosion) in the D of the 83 D.
Chemistry stuff...the plasticizer for PVC is dioctyl phthlate (DOP). This is a very thick oily substance that gets between the polymer chains of...
Excellent experiment. This is with a scale that measures to 0.1 g. Now weigh the same cent on a a scale that measures to 0.5 g increments. The...
Penultimate means the next to last..................I think.
Not sure if the citric acid would give some chelating ability...
I have a TV channel on Roku called Kanopy. This service requires you to have a library card to be able to watch videos (movies, documentaries,...
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