Australian scientists are part of an international effort to come up with a better way to define a kilogram. Locked in a safe in a government facility on Sydney's North Shore is a metal ingot weighing ...
Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. ELEANOR HALL: Locked in a safe in a government facility on Sydney's North Shore is a metal ingot ...
There’s one metal that’s leaving all commodities -- and even Bitcoin -- in the dust this year. The challenge for investors is buying it. Iridium, which is also used in spark plugs, has climbed to ...
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