A tow car for the children's “Grand Prix” races which take place in a parking lot in Livonia, Michigan a suburb of Detroit, circa 1955. (Photo by Three Lions/Getty Images)
Red Bull's Max Verstappen celebrates with champagne on the podium after winning the Monaco Grand Prix in Monte Carlo on May 28, 2023. (Photo by Stephane Mahe/Reuters)
A Sphynx cat at the 2017 Grand Prix Royal Canin international cat show at the Crocus Expo Exhibition Centre in Moscow, Russia on December 2, 2017. (Photo by Sergei Savostyanov/TASS/Barcroft Images)
Amber Glenn, of the United States, competes in the women's short program segment at the ISU Grand Prix of Figure Skating, Friday, November 1, 2024, in Angers, France. (Photo by Aurelien Morissard/AP Photo)
Honda MotoGP rider Dani Pedrosa (R) of Spain sprays champagne on an attendant next to Yamaha MotoGP rider Valentino Rossi (C) of Italy after winning the Japanese Grand Prix at the Twin Ring Motegi circuit in Motegi, north of Tokyo, Japan, October 11, 2015. Rossi placed second. (Photo by Issei Kato/Reuters)
Honda Spanish rider Marc Marquez crashes with Aprilia Portuguese rider Miguel Oliveira during the MotoGP race of the Portuguese Grand Prix at the Algarve International Circuit in Portimao, on March 26, 2023. (Photo by Marcelo Del Pozo/Reuters)
Beta Tools Speed Up's Spanish rider Alonso Lopez crashes out in the early stages of the Moto2 race at the MotoGP Australian Grand Prix in Phillip Island on October 22, 2023. (Photo by Paul Crock/AFP Photo)
Klemens Torggler's door is an invention based on rotating squares, The special construction makes it possible to move the door sideways without the use of tracks. This technical trick opens up new applications for the door.