Jason St. John

The new Irradiation Test Area has met a milestone: On Jan. 11, it began transporting a high-intensity proton beam to the very first set of user experiments. The ITA will play a critical role in High-Luminosity LHC projects and others to come. The beginning of operations ushers in a new era of instrumentation development in high-energy physics.

Aisle of snow

Throwback Thursday: The waterway between Lederman Science Center and Wilson Hall is covered in snow. winter, snow, woods, tree, nature, landscape, plant, sky Photo: Jason St. John

Throwback Thursday: The waterway between Lederman Science Center and Wilson Hall is covered in snow.

Throwback Thursday: A frozen puddle with long ice grains forms near the CUB cooling pond. Photo: Jason St. John, winter, ice, nature

Throwback Thursday: A frozen puddle with long ice grains forms near the CUB cooling pond.

This light outside the Ramsey Auditorium warms and dries the gravel around it on a recent damp morning. Photo: Jason St. John, everyday objects

This light outside the Ramsey Auditorium warms and dries the gravel around it on a recent damp morning.

When the cosmic ray muons rain, they pour ... in the MicroBooNE liquid-argon time projection chamber. Photo: Jason St. John, everyday objects, neutrino, detector

When the cosmic ray muons rain, they pour … in the MicroBooNE liquid-argon time projection chamber.

Crew chief

Ops Crew Chief Max Monningh gives the Friday 9 a.m. operations report in vintage metallic velvet. Photo: Jason St. John, people

Ops Crew Chief Max Monningh gives the Friday 9 a.m. operations report in vintage metallic velvet.

Iridescence

An accidental camera obscura in the MI-12 South exhaust fan hut captures cloud iridescence on a winter afternoon. Photo: Jason St. John, night, moon

An accidental camera obscura in the MI-12 South exhaust fan hut captures cloud iridescence on a winter afternoon.