In recreational mathematics, the balance scale is an endless source of puzzles that require precise and elaborate logic and teach the fundamentals of generalization. Balance-scale puzzles abound in ...

RENO, Nev. (KOLO) - A balance scale from the 19th century once used to weigh hundreds of millions of dollars’ worth of gold and silver is now being offered up at a Reno auction. The scale was ...

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Our recent suite of puzzles featured the humble double-pan balance scale, historically a symbol of commerce and government, art and science. Balance scales are also popular in recreational mathematics ...

You record the mass of light objects in grams. One way to measure the mass of objects is to use balance scales. A balance scale works by placing the object you want to weigh on one side and adding ...