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.
Thousands of people were watching the Shoreham Air Show when it turned to horror as a Hawker Hunter plane crashed into a busy bypass, hitting at least four cars – including a wedding limousine.
A Polish Army tank takes part in the NATO Noble Jump exercise on a training range near Swietoszow Zagan, Poland, Thursday, June 18, 2015. (AP Photo/Alik Keplicz)
A lightning strikes through smoke from fuel storage tanks that exploded near Cuba's supertanker port in Matanzas, Cuba on August 8, 2022. (Photo by Alexandre Meneghini/Reuters)
Ukrainian servicemen fire toward Russian troops with a tank at a position in Donetsk region, as Russia's attack on Ukraine continues, Ukraine on August 12, 2022. (Photo by Reuters/Stringer)
Logan Kanan handfeeding Hammerhead sharks in a tank at Neal Watson's Bimini Scuba Center in the Bahamas in August 2023. (Photo by Ken Kiefer/Caters News Agency)
Roma's Gianluca Mancini scores his team's goal in the 1-0 Rome derby victory over Lazio at Stadio Olimpico in Rome, Italy on April 6, 2024. (Photo by Alberto Lingria/Reuters)