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The "binary" bill: If your cash has only two digits in the serial number, it's a collector's item
Most of us barely glance at the money we use each day. We look at the amount printed on the front and ignore everything else. Yet one small detail tucked away on every bill could mean the difference ...
The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison, with ...
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