then it is either a low-karat gold or an alloyed gold. Vinegar test: Pure gold does not react to vinegar. If the yellow metal changes its color after you pour a few drops of vinegar on it ...
Gold is a soft metal, and the thin layer applied to gold plated surfaces means it's delicate. Vinegar can damage gold plated fittings for this reason; the acidity can wear at the surface and ...
From Doctor Who and Severance to Apple Cider Vinegar, there are plenty of great sci-fi and science-inflected TV shows coming up this year, says Bethan Ackerley ...