I think the idea is that the "protective" layer left is so thin that it cannot be detected by the FTIR "sniffer", perhaps @BadThad will illuminate...
We've all been there...
Actually I've checked a couple of times and they haven't charged my credit card yet. Wonder if they just "junked" my order?
And the second strike appears to have been with a hammer.
OHHHHHHHHH...HOLY CARP..........searched on e-bay and guess what......
Sorry, I get motion sickness.
Sorry, I stated that kind of wrongly...I don't think any of these are worth much more than $20 or so
Yeah, I thought someone here would know that this was rare and worth $400...
If we really wanted to do what makes sense, scrap the penny and nickel and have $1 and $5 coins.
Marks from a coin rolling machine
My favorite 40 [ATTACH] :)
Apparently some of these are worth lots?...
I, too, stand corrected... https://www.nist.gov/sites/default/files/documents/pml/wmd/metric/1136a.pdf
What do you teach?
Actually it would make more sense (cents?) to eliminate the cent and nickel. Much easier rounding.
[MEDIA]
Actually there is a store in my area called the 99 Cent Only store which recently quietly changed their name (and business dealings) to the 99.99...
Actually I have pointed out to chemistry classes for many years that we ARE on the metric system. The official definition of an inch is 2.54 cm...
Yeah, silver dip removes the tarnish through dissolving the silver sulfide and converting it to metallic silver and H2S (phew). Wonder if...
Solid vs. liquid?
Separate names with a comma.
