Bench Scales

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Scales from the Stone Age to today: worth the weight?

I’ve written elsewhere on this blog about how Richard Salter invented the spring scale and how that changed the face of weighing. Before then, weighing scales had already been in use for thousands of years. The oldest evidence for their existence dates to roughly 2400-1800 BC in the Indus RiverRead More

Matters of Scale

Last year it was announced that a team of engineers in Barcelona had devised a weighing scale capable of detecting a single proton, which weighs in at 1.7 yoctograms. A yoctogram, as I’m sure you’re aware, is equal to one septillionth of a gram. If that’s not helping, then perhapsRead More