What+is+gold+used+for?

Source: [] Gold, like most metals, can be hammered into thin sheets or drawn out into thin wires. This has made gold sought after for a wide range of applications, like jewellery and in electronics. "Gold leaf" for example, is gold that has been beaten into a sheet less than one tenth of a millimetre thick.
 * What do we use gold for? **

Because gold is soft and does not tarnish or corrode, it makes excellent jewellery, it is good as material for filling cavities in teeth, and it makes excellent fine wire for electronics.

Gold is very reflective, so it is used to protect spacecraft and satellites from solar radiation. Industrial and medical lasers use gold-coated reflectors to focus light energy.

Source: [] It is the metal most often used by jewellers and other artisans because of its flexibility and its durability and it is not easily affected by moisture, normal heat, air, or every day wear and tear. Because gold is a very good conductor of electricity and heat, it is widely used for industrial purposes and manufacturing applications. Gold was once used extensively as dentures and dental fillings because of i's soft demeanour and its easiness to shape. Although it is still used in some dental applications, it is not used for dentistry purposes as extensively today. Other usages [|gold] include biological and medical research, photographic imaging, and because it is has a high resistance to [|corrosion], it is used in sensitive instruments and other mechanical devices.