1 The "Karat" marking on jewelry tells you what proportion of gold is mixed with other metals. If 14 parts of gold are mixed with 10 parts of base metal, the combination is called 14-Karat (14K) gold. The higher the Karat rating, the higher the proportion of gold in the object. The...
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Bluelightexposureisnothingnew.Infact, thesunisthelargestsourceofbluelight.Moreover,bluelightisalsopresentinLEDlight.Butif bluelightisn?tharmful,then whyare weconstantlyrubbingoureyeswhen we?relookingat ourscreens? Theansweriseyestrain(眼疲劳): Morethan60percentofpeopleexperienceeye problemsassociated with d...
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Black gold contains a mixture of sulfur and oxygen and often appears slightly grey in hue. Gold provides a greenish tinge when mixed with different amounts of copper, zinc, and silver, and is more noticeable when juxtaposed with contrasting colors than when designed as a stand alone piece. ...
"White gold is actually yellow gold that was mixed with other metals and then plated with rhodium to appear more white — a white mask that will unveil a yellow tinge over time," Luker says. "Platinum, on the other hand, will maintain its naturally white color." That's not to say ...
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Is Gold a Good Hedge Against Inflation? Despite market lore that gold is a good hedge against inflation, the reality is much more mixed, meaning the two are essentially uncorrelated. This can be seen in the chart above, where inflation spiked in 2022, but gold retreated as interest rates ro...