Precision calibration empowers largest solar telescope

An article published in the SPIE publication Journal of Astronomical Telescopes, Instruments, and Systems (JATIS), "Polarization Modeling and Predictions for DKIST Part 5: Impacts of enhanced mirror and dichroic coatings ...

Chang'e 4: Why the moon's far side looks red in new images

The first ever images taken from the surface of the far side of the moon have been released following the Chinese National Space Administration's (CNSA) successful landing there. The lander Chang'e 4 and rover Yutu 2 follow ...

Research illuminates inaccuracies in radiocarbon dating

Radiocarbon dating is a key tool archaeologists use to determine the age of plants and objects made with organic material. But new research shows that commonly accepted radiocarbon dating standards can miss the mark—calling ...

A faster way to calibrate piston gauges

For industry and government labs to ensure their pressure-measurement machines are working correctly, they need a reliable source of pressure. Often, that source is a piston gauge – a cylinder of metal that falls through ...

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