Justin Kasper, AB’99, once built a working nuclear reactor for Scav; now he’s built an equally impossible instrument for NASA’s Parker Solar Probe

Kasper heads a team that built a key instrument aboard NASA’s Parker Solar Probe, which will fly closer to the sun than any previous craft. Most of its instruments will be safely tucked behind a heat shield. “And then there’s ours,” Kasper says—a tool to capture direct readings of the solar wind—“which stares directly at the sun 24/7 throughout the whole mission.” Read more here.