Spartan Race Europe on Instagram: "1 WEEK TO GO ⏳ The Spartan Sprint and 100M World Championship are just around the corner. Get ready for exciting battles between the fastest OCR athletes in the world. 🏃🏻 There will be a livestream of the 100M Quarterfinals-Finals on Saturday afternoon, 11 Oct and the Sprint World Championship on Sunday morning, 12 Oct. 🎥 Where to watch? 👉🏼 The official Spartan YouTube channel Get ready for the race! 🔥"

education.decodee on Instagram: "- The video demonstrates a series of optical illusions involving 2D shapes that appear to change size or position when manipulated, leveraging principles of perspective and visual perception rather than actual physics. The first illusion shows two parallelograms that seem to alter in size when rotated, a phenomenon explained by the Parallelogram Illusion, where identical lengths can appear different due to angular orientation (Wells, 1991). - The second illusion