TheFunOrbit on Instagram: "The video demonstrates Pascal's principle through connected glasses via U-shaped straws, where red liquid from two filled cups flows into an empty central one, equalizing levels as hydrostatic pressure transmits uniformly at the base. This setup accurately illustrates fluid pressure equilibrium in open vessels, a direct application of Pascal's 17th-century law, rather than a siphon effect as one reply suggests, since no barrier is overcome by gravity alone. Posted by a