This is your first of three free stories this month. Become a free or sustaining member to read unlimited articles, webinars and ebooks. The rumble of the train passing underfoot is a familiar sound ...

I was watching Ben Krasnow making iron nitride permanent magnets and was struck by the fact that about half of the video was about making a magnetometer – a device for measuring and characterizing the ...

How innovations in visibility, usability, and smart sensing are changing who uses tools—and how. For centuries, measurement tools have been essential to architecture, engineering, construction, real ...

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