SINCE the publication of the article on the Metric System, in NATURE, vol. viii. p. 386, my attention has been drawn to some recent information showing the important part taken by the celebrated ...

This text presents a layered and often chaotic stream of thoughts that exposes the cultural and psychological forces working against widespread metric system adoption. References to technology, ...

Most Americans believe the country rejected the metric system decades ago. In reality, US measurements like feet, pounds, and gallons are officially defined using metric units behind the scenes. The ...

December 23, 2025, marks the 50th anniversary of the Metric Conversion Act, designed to bring US weights and measures in line with the rest of the world. The United States is one of the last holdouts ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Former President Gerald Ford signed the Metric Conversion Act 50 years ago. However, he did not make metric adoption mandatory, and the efforts fell flat. For a look at where metric measurements have ...

Only approximately 109 meters separate two similar, yet different, track and field events, the 1500 meters and the mile. That distance alone is just one difference between the mid-distance races. Here ...

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The autonomic nervous system is the part of the peripheral nervous system that controls visceral functions such as heart rate, respiratory rate and digestion. It consists of enteric, parasympathetic ...

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Businesses have never had to manage as much data as they do today. From invoices and contracts to reports and emails, companies handle an overwhelming volume of information every day. Keeping those ...