mathswithmuza on Instagram: "A cone surface is created by taking a single straight line and sliding it so that one of its endpoints stays fixed while the other moves along a circular path. Because the line always pivots around the same point, the surface forms a smooth, slanted shape that narrows to a tip called the apex. What makes a cone surface interesting is that every point on it lies on some straight line that connects the apex to the circular boundary. This gives the cone a special kind o

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Wealth on Instagram: "Most roads force water to pool on the surface. This one makes the water disappear right in front of your eyes ⚙️🌊 This technology is called pervious concrete, engineered to solve one of the most dangerous problems in transportation: standing water. Traditional concrete is packed tightly with fine sand that seals every microscopic gap, creating a watertight barrier. Pervious concrete removes that fine sand completely, leaving only coarse aggregate bound together by cement.