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Where International Standard Units Come From, Part One: The Meter
Technology In honor of the 50th anniversary of the International System of Units, PopSci is looking at the origin and continued preservation of five of our favorite standard units Think of the most...
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Where International Standard Units Come From, Part Two: The Second
Science This week, the origin and continued preservation of five of our favorite standard units of measure This week, Sam Kean takes a look at some ridiculously precise standards -- the meter, the...
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Where International Standard Units Come From, Part Three: The Candela
Technology This week, the origin and continued preservation of five of our favorite standard units of measure This week, Sam Kean takes a look at some ridiculously precise standards -- the meter, the...
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Where International Standard Units Come From, Part Five: The Controversial...
Science All this week, the origin and continued preservation of five of our favorite standard units of measure This week, Sam Kean takes a look at some ridiculously precise standards -- the meter, the...
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FYI: Can Scientists Measure Happiness?
Science Yes, but not at all precisely. In 1881, the British economist Francis Edgeworth envisioned a “hedonimeter” that would measure economic utility by “continually registering the… Yes, but not at...
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How Science Measures Food: Cheese Stretchiness, Radiation in Bananas, and More
Science The precise tuggability of a piece of mozzarella must not be left indeterminate Taste is a highly subjective thing. But when science gets involved, things have to be measured, and the...
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Smart Ice Skate Measures Force Of Intense Triple Axels
Technology The sensors attached to the blade could provide valuable feedback to ice skaters. Of sports played on ice, hockey tends to get the most attention when it comes to injuries. But figure...
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A New Type Of Clock Could Change How We Measure Time
Science Scientists think optical clocks are ready to replace the atomic clock as the standard German researchers have announced a novel way of practically using optical clocks to tell time with...
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Five tools for meticulous measurements
Technology Distance, weight, and even color have dedicated measuring tools. Miniscule measurements can make all the difference with pernickety processes like hanging a perfectly level picture.
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The kilogram has a new definition
Science A physicist explains why and how we redefined a basic unit of measure. Scientists around the world have spent nearly two decades discussing how the kilogram could instead be defined in...
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