Tim Ring

In 2021, a single-cell niobium superconducting-radio-frequency cavity undergoes chemical electropolishing at minus-4 degrees Celsius to minus-8 degrees Celsius, a record low for this electropolishing tool. superconducting radio-frequency technology, SRF technology, cavity Photo: Tim Ring

In 2021, a single-cell niobium superconducting-radio-frequency cavity undergoes chemical electropolishing at minus-4 degrees Celsius to minus-8 degrees Celsius, a record low for this electropolishing tool.

Bison power

Flashback to May 1: Inspiration comes over the herd of Fermilab bison — perhaps they were thinking of ways to celebrate the lab's 50th anniversary? And as inspiration sets, the clouds begin to part, and a dash of rainbow shoots through the sky over Feldott barn. A celestial choir probably sings, too. Photo: Tim Ring, nature, landscape, cloud, sky, rainbow, landscape, bison, animal, mammal, wildlife

Flashback to May 1: Inspiration comes over the herd of Fermilab bison — perhaps they were thinking of ways to celebrate the lab’s 50th anniversary? And as inspiration sets, the clouds begin to part, and a dash of rainbow shoots through the sky over Feldott barn. A celestial choir probably sings, too.

A dust of snow

Just the right amount of snow brings out the details in the concrete. The pattern looks like electrical circuits.