NASA unveils its first electric airplane (1/4)

Technicians work on NASA's first all-electric plane, the X-57 Maxwell, at NASA's Armstrong Flight Research Center at Edwards Air Force Base, California, U.S., November 8, 2019. (Photo/Agencies)

Technicians work on NASA's first all-electric plane, the X-57 Maxwell, at NASA's Armstrong Flight Research Center at Edwards Air Force Base, California, U.S., November 8, 2019. (Photo/Agencies)

Technicians work on NASA's first all-electric plane, the X-57 Maxwell, at NASA's Armstrong Flight Research Center at Edwards Air Force Base, California, U.S., November 8, 2019. (Photo/Agencies)

Technicians work on NASA's first all-electric plane, the X-57 Maxwell, at NASA's Armstrong Flight Research Center at Edwards Air Force Base, California, U.S., November 8, 2019. (Photo/Agencies)