Wedges of an orange generate enough current and electrical juice – 3.5 volts – to power an LED. The fruit’s citric acid helps electrons flow from galvanized nails to copper wire in this 14-hour exposure. This image was published in September’s Visions of Earth, a trio of photos that appear in each issue of National Geographic. (Photo by Caleb Charland/National Geographic)

“The Tonight Show” host Jimmy Fallon, center, exits the water during the Chicago Polar Plunge, Sunday, March 2, 2014, in Chicago. Fallon joined Chicago Mayor Rahm Emanuel in the event. (Photo by Andrew A. Nelles/AP Photo)

A woman wearing a protective face mask makes merit during the Songkran holiday which marks the Thai New Year during the coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, April 13, 2022. (Photo by Chalinee Thirasupa/Reuters)

Spectators in costume line the race route during the 12th stage of the 109th edition of the Tour de France cycling race, 165,1 km between Briancon and L'Alpe-d'Huez, in the French Alps, on July 14, 2022. (Photo by Marco Bertorello/AFP Photo)

Iranian visitors practice shooting with shooting simulators made in Iran at a police shooting simulation booth at the 19th International Police Security and Safety Equipment Exhibition (IPAS 2022) at the grand Mosalla mosque in Tehran, Iran, on October 20, 2022. (Photo by Rouzbeh Fouladi/Avalon)

English actor Emma D’Arcy, English film and television director of Argentine origin, and former storyboard artist Miguel Sapochnik, and Australian actress Milly Alcock pose with the award for Best Television Series in Drama for “House of the Dragon” at the 80th Annual Golden Globe Awards in Beverly Hills, California, U.S., January 10, 2023. (Photo by Mario Anzuoni/Reuters)

A Saudi woman shops for Ramadan decorations to mark the beginning of the Holy Month of Ramadan in a local market in Riyadh, Saudi Arabia on March 22, 2023. (Photo by Ahmed Yosri/Reuters)

Crown line handler Bobby Marie controls “Chain Gang” as the balloon is inflated during the 43nd Annual Helen to the Atlantic Balloon Race and Festival, in Helen, Georgia, USA, 04 June 2016. The race is the oldest balloon event in the southern USA and United States' only long-distance hot air balloon race, according to the organizers. (Photo by Erik S. Lesser/EPA)