By Trevor Vaz
By Jessica Boddy
By Sara Chodosh
By Eleanor Cummins
By Rob Verger
By Billy Cadden
By Sandra Gutierrez G.
By Amanda Reed
By PopSci Commerce Team
By Grace Wade
By Stan Horaczek
By Brian S. Hawkins
By Julian Vittorio
By Jeanette D. Moses/Popular Photography
By Popular Science Team
By Rachel Feltman
By Mallory Johns
By Jordan Golson
Get Popular Science’s biggest stories delivered to your inbox.