View at one of the sculptures by Swiss artist H.R. Giger during the opening of the Ars Electronica 2013 exhibition “HR Giger. The Art of Biomechanics” in Linz, Austria, 04 September 2013. (Photo by EPA/RUBRA)

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)

Buyan, a male Siberian brown bear, is given a shower by a zoo employee in his enclosure at the Royev Ruchey zoo in Russia's Siberian city of Krasnoyarsk June 24, 2014. The Siberian city has been experiencing temperatures of around 30 degrees Celsius over the last week. (Photo by Ilya Naymushin/Reuters)

Participants wearing East Asian traditional costumes take photos during the 88th annual Hollywood Christmas Parade in Hollywood, Californi​a, USA, 01 December 2019. (Photo by Christian Monterrosa/EPA/EFE)

This September 22, 2014 photo, shows a building with street art murals in the Santurce neighborhood in San Juan, Puerto Rico. (Photo by Ricardo Arduengo/AP Photo)

US actress Tiffany Haddish attends a photocall for the film “The Card Counter” presented in competition during the 78th Venice Film Festival, on September 2, 2021 at Venice Lido. (Photo by Yara Nardi/Reuters)

American actress and professional kiteboarder Maika Monroe is seen leaving the Saint Laurent show on February 25, 2020 in Paris, France. (Photo by Beretta/Sims/Rex Features/Shutterstock)

American actress Vanessa Hudgens attends Beyoncé's “Renaissance” concert in Los Angeles on September 4, 2023. (Photo by vanessahudgens/Instagram)