Dangling from a balloon the size of a football stadium miles above the South Pole, a payload built by astrophysicist Abby Vieregg peers down at the ice looking for messenger particles from the most energetic places in the universe.
Dangling from a balloon the size of a football stadium miles above the South Pole, a payload built by astrophysicist Abby Vieregg peers down at the ice looking for messenger particles from the most energetic places in the universe.