Macro or Micro? Scientists’ pictures baffle our sense of scale. It began when Stephen Young, a geography professor at Salem State University in Massachusetts, tricked his biologist colleague Paul Kelly into thinking a satellite image was one of his electron microscope scans. Can you guess whether they are close-up or very far away? (Photo by Paul Kelly)

A Manchester City fan attends the trophy ceremony after the end of the Soccer Club World Cup final match between Manchester City FC and Fluminense FC at King Abdullah Sports City Stadium in Jeddah, Saudi Arabia, Friday, December 22, 2023. Manchester City won 4-0. (Photo by Manu Fernandez/AP Photo)

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)

A visitor tries the Segway “S-Pod” motorized chair on the manufacturer's booth during the 2020 International Consumer Electronics Show (CES) at the Las Vegas Convention Center in Las Vegas, Nevada, USA, 08 January 2020. (Photo by Etienne Laurent/EPA/EFE)

New York Yankees' Domingo Germán, center, is doused by teammates after he pitched a perfect game against the Oakland Athletics in a baseball game in Oakland, Calif., Wednesday, June 28, 2023. The Yankees won 11-0. (Photo by Godofredo A. Vásquez/AP Photo)

The “EMIEW3” robot (R) demonstrates communicating with a visitor during a press preview in Tokyo on April 8, 2016. Japanese electronics giant Hitachi unveiled its humanoid customer service and guidance robot “EMIEW3” and “remote brain” robotics IT platform. (Photo by Toshifumi Kitamura/AFP Photo)

A festival goer spins a light strip as she dances to electronic music in front of the Belleville stage during the 45th edition of the Paleo Festival, in Nyon, Switzerland, 24 July 2022. The Paleo is the largest open-air music festival in the western part of Switzerland. (Photo by Valentin Flauraud/EPA/EFE)

A woman uses a electronic vaporizers with cannabidiol (CBD)-rich hemp oil while attending the International Cannabis Association Convention in New York, October 12, 2014. (Photo by Eduardo Munoz/Reuters)