Discover the top 10 scientific units named after their inventors, including Newton, Pascal, Watt, Joule, and Volt. Explore ...

The metric system is great, but sometimes it simply doesn't do justice to what you're trying to describe. These highly-specialized units of measurement might be of use! Sagan. Inspired by and in ...

The metric system is on track for a mass makeover. In an effort to provide accurate measurements at all scales, scientists are preparing to redefine four basic units by the end of 2018. The shift will ...

In a landmark decision, representatives from 60 countries voted to redefine the International System of Units (SI), changing the world's definition of the kilogram, the ampere, the kelvin and the mole ...

For millennia, humans have turned to the sky to tell time. Our planet rotates once on its axis, and we’ve lived another day. We divide that day into smaller fractions: the hour, minute, and second.

ZEP-toe-new-ton n. A unit of force equal to one billionth of a trillionth of a newton. An itty-bitty object can be used to suss out teeny-weeny forces. Scientists used an atom of the element ytterbium ...

There’s been some confusion over the size of today’s explosion in China’s Tianjin province, with some people mistakenly thinking it was the largest non-nuclear explosion of all time. It was not — that ...

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is a senior reporter who has covered AI, robotics, and more for eight years at The Verge. Update, May 20th, 2019, 10AM ET: This article was originally published in November 2018. As of May 20th, 2019, ...

Scientists are preparing to redefine the fundamental unit of time. It won’t get any longer or shorter, but it will be more precise — and a whole lot more powerful. By Alanna Mitchell Modern ...

Weighty matters: a platinum-iridium kilogram belonging to the US National Institute of standards and Technology. (Courtesy: J.L. Lee/NIST) Metrologists and policy-makers from 60 countries around the ...