After a 10-year effort, physicists got a value for “Big G” that does not settle the debate over one of nature’s hardest numbers to nail down.

One of the stranger features of the quantum world is that light—even individual photons—can behave as a wave or a particle, depending on how you measure it. But, according to papers released by ...

The Materials Science and Engineering Division is dedicated to the research and development of materials measurement science, standards, technology, and data. It supports the National Institute of ...

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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 ...

Improvements to the SI are helping to evolve the science of accuracy and measurement. Democratization of the SI creates a traceability calibration chain accessible to anyone, anywhere. Digitization of ...

The most precise measurement yet of how fast the Universe is expanding shows we have a real and serious problem on our hands.

The mission of the Materials Measurement Science Division (MMSD) is to ensure and promote excellence in measurement science. MMSD conducts mission-based fundamental research, standards production, and ...