Measurement and standards are at the heart of how we trade commodities and measure wealth. So what happens now that the planet’s most critical standard has been completely overhauled?
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Articles on measurement
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Today marks one of the biggest shake-ups in the history of measurement. But the new standards on how we define units of mass, length, time and so on are not easy to explain.
How useful is the information you get from the measure of any thing? That depends on what you chose measure in the first place, and that's not always clear.
The international prototype kilogram keeps changing weight so scientists have come up with a new way to calculate.
Most researchers use the UN's Human Development Index to measure each country's progress, but that system has flaws. A new, simplified index aims to do it better.
Economists, politicians and the media watch GDP closely. But it isn't the best way to measure the health of the US economy.
Driverless cars and drones will require pinpoint location accuracy, which means our methods for measuring the Earth's centre need an overhaul.
The Australian Census has been taken since 1911. But is it still necessary in today's world of mass digital data collection?
For a long time the way we measure what is going on in our economy and society has distorted our actions. We're now building a more holistic way of measuring progress.
If you're into business and finance there are myriad numbers you can look at. But PMI is one of the better ones if you really want to know where an economy is going.
It's really hard to measure snowfall accurately. The National Weather Service relies on more than 8,000 volunteers with rulers.
Top contributors
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Emeritus Professor of Analytical Chemistry, UNSW
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Demographer, ANU Centre for Social Research and Methods, Australian National University
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Professor, Surveying & Spatial Sciences, School of Technology, Environments and Design, University of Tasmania
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Senior Lecturer in Physics, University of Hull
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Associate Professor, Fenner School of Environment and Society, Australian National University
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Associate Professor, Finance, University of Western Australia
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Professor of Economics, Stony Brook University (The State University of New York)
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Director of the International Laboratory of Demography and Human Capital, Russian Presidential Academy of National Economy and Public Administration
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Senior Lecturer in Meteorology and Manager of the Joel N. Myers Weather Center, Penn State
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Doctor of Philosophy in Sustainable Futures, Institute for Sustainable Futures, University of Technology Sydney
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Geodesy PhD Candidate, University of Tasmania
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Professor of economics and disability studies, Fordham University
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Associate Professor of Social and Political Sciences, Bocconi University
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Professor and Dean, Faculty of Agricultural and Food Sciences, University of Manitoba
