Turns out you have been taken like a sucker — the man your friend knew sold you some fake gold jewelry. Then you may as well trade futures contracts on individual commodities like gold, silver, crude oil, espresso, copper and…

Au’ is the symbol for 22ct gold price today on the desk of parts. Do you know the abbreviation for copper, as on the periodic table of components? Do you know that fluorite can be discovered all around the world?…

One approach to do that is by adsorption of the gold prices in recession onto activated carbon. One firm is offering a system that will make the card slot vibrate to forestall card skimmers from collecting magnetically recorded info. It’s…