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GeneralRe: Currency Pin
Eddy Vluggen10-Feb-21 22:35
professionalEddy Vluggen10-Feb-21 22:35 
GeneralRe: Currency Pin
W Balboos, GHB10-Feb-21 3:34
W Balboos, GHB10-Feb-21 3:34 
GeneralRe: Currency Pin
Gerry Schmitz10-Feb-21 4:07
mveGerry Schmitz10-Feb-21 4:07 
GeneralRe: Currency Pin
W Balboos, GHB10-Feb-21 4:24
W Balboos, GHB10-Feb-21 4:24 
GeneralRe: Currency Pin
Eddy Vluggen10-Feb-21 16:21
professionalEddy Vluggen10-Feb-21 16:21 
GeneralRe: Currency Pin
W Balboos, GHB11-Feb-21 0:52
W Balboos, GHB11-Feb-21 0:52 
GeneralRe: Currency Pin
Eddy Vluggen11-Feb-21 2:13
professionalEddy Vluggen11-Feb-21 2:13 
GeneralRe: Currency Pin
W Balboos, GHB11-Feb-21 3:03
W Balboos, GHB11-Feb-21 3:03 
Putting the whole thing in perspective, gold was used for some of its properties (let's ignore cosmetic show of wealth).

1 - it was available. One of the few metals found native. That's why it, along with silver, are the ancient metals. Copper, also found native, ushered in the bronze age. Iron required smelting.
2 - it was malleable enough to be easily worked into useful shapes
3 - it (in its metallic form) is extremely inert (== non-toxic).
4 - at least by the 18th century, prosthetic teeth were made out of ivory or even wood.
5 - Egyptians using gold for holding together a prosthesis is a far cry from forming a filling! all they have in common is use in the mouth (accidentally, fitting criterion 3, above).

Aside (for your friends teething habits):
The reason for gold jewelry being "18 karat" or less is not to cheapen the jewelry by reducing the gold content but to make it harder and so actually more suitable for jewelry (wouldn't deform as easily). It maintained its major properties (almost totally corrosion resistant and the same color). The normal gold content for jewelry was 14/24 (14 gold to 10 iron, by weight) (i.e. 14K) for a long time. When the price of gold became the venue of speculators and the prices went quite insane, much jewelry dropped down to 10K; gold-plated became the even thinner gold-fill. That bite test of your friend would only be useful for very pure gold.


Also, a much earlier statement of yours about using gold to coat electronic connectors because it was such a good conductor: not so! It's used to prevent corrosion and, insofar as it last, it will. However, the fact of it making an interface between metals is an increase in resistance and thus an overall loss in conductivity (tiny). The extra cost (and waste of gold) is rarely worth it for the consumer's own connectors. Maybe on some circuit boards it's sensible but on your HDMI connector? I suppose so, if you live in a salt mine (or shipboard).

Ravings en masse^
"The difference between genius and stupidity is that genius has its limits." - Albert Einstein
"If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010

GeneralRe: Currency Pin
Eddy Vluggen11-Feb-21 10:55
professionalEddy Vluggen11-Feb-21 10:55 
GeneralRe: Currency Pin
5teveH9-Feb-21 22:18
5teveH9-Feb-21 22:18 
GeneralRe: Currency Pin
Gerry Schmitz10-Feb-21 3:18
mveGerry Schmitz10-Feb-21 3:18 
GeneralRe: Currency Pin
Eddy Vluggen10-Feb-21 16:10
professionalEddy Vluggen10-Feb-21 16:10 
GeneralRe: Currency Pin
obermd10-Feb-21 3:21
obermd10-Feb-21 3:21 
GeneralRe: Currency Pin
Gerry Schmitz10-Feb-21 3:31
mveGerry Schmitz10-Feb-21 3:31 
GeneralRe: Currency Pin
Eddy Vluggen10-Feb-21 16:12
professionalEddy Vluggen10-Feb-21 16:12 
GeneralMy first ASM Pin
raddevus9-Feb-21 8:55
mvaraddevus9-Feb-21 8:55 
GeneralRe: My first ASM Pin
RickZeeland9-Feb-21 9:13
mveRickZeeland9-Feb-21 9:13 
GeneralRe: My first ASM Pin
raddevus9-Feb-21 10:04
mvaraddevus9-Feb-21 10:04 
GeneralRe: My first ASM Pin
Greg Utas9-Feb-21 9:21
professionalGreg Utas9-Feb-21 9:21 
GeneralRe: My first ASM Pin
raddevus9-Feb-21 10:05
mvaraddevus9-Feb-21 10:05 
GeneralRe: My first ASM Pin
Greg Utas9-Feb-21 10:13
professionalGreg Utas9-Feb-21 10:13 
GeneralRe: My first ASM Pin
raddevus9-Feb-21 11:01
mvaraddevus9-Feb-21 11:01 
GeneralRe: My first ASM Pin
Mike Winiberg9-Feb-21 21:14
professionalMike Winiberg9-Feb-21 21:14 
GeneralRe: My first ASM Pin
Ralf Peter Lucke9-Feb-21 21:19
Ralf Peter Lucke9-Feb-21 21:19 
GeneralRe: My first ASM Pin
Mike Winiberg9-Feb-21 21:31
professionalMike Winiberg9-Feb-21 21:31 

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