Junior Peña, neutrino hunter
After his independent study helped Peña pass AP calculus as a junior, his fascination with physics led him to the University of Southern California, the 2019 session of MIT’s Summer Research Program, and then MIT for grad school. Today, he’s working to shed light on neutrinos, the ghostly uncharged particles that slip effortlessly through matter. Particles that would require a wall of lead five light-years thick to stop. As a grad student in the lab of Joseph Formaggio, an experimental physicis