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vt.physics on Instagram: "Why Flour Sticks but Rice Falls Straight Through - The Science of Sifting When particulate materials such as rice or whole grains are passed through a sieve, their relatively large mass and smooth surface texture enable gravitational forces to dominate over any weak adhesive interactions with the mesh. In contrast, flour consists of fine particles with a low mass-to-surface-area ratio. The resulting high specific surface area increases the relative significance of surfa

Explaining a Movie on Instagram: "@explainingamovie teaches you something new about movies everyday! Flow (2024), directed by Gints Zilbalodis, is a dialogue-free animated feature created almost entirely with the open-source software Blender. The story follows a cat navigating a world submerged by floods, forced to join other animals on a raft in a journey of survival and reluctant cooperation. The animation was produced by a small team at Dream Well Studio, making it an impressive achievement i