SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "Finding the true center of a wooden log might look like guesswork, but it’s actually a precise geometric method used by carpenters, woodturners, and sawmill operators. This video shows a reliable technique that works even when the log isn’t perfectly round. The process starts by identifying two random points on the edge of the log. From each point, straight lines are drawn across the surface toward the opposite side. When these lines intersec

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E History on Instagram: "This street artist doesn’t touch the canvas directly — instead, he controls a marionette that paints for him. Every string pull becomes a brushstroke. Every movement turns into color, chaos, and control at the same time. What looks like a puppet show slowly reveals a finished painting, created through precision, patience, and performance. The audience isn’t just watching art being made — they’re watching art being performed. It blurs the line between artist and tool. Who

SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "At first glance, this looks like a visual illusion — but it’s actually pure physics and human perception working together. When an object spins fast enough, our eyes and brain stop seeing individual positions and start seeing an average shape. 1️⃣ Persistence of Vision: Your eyes retain images for a fraction of a second. When something spins rapidly, those images overlap, creating a smooth, continuous form instead of separate frames. 2️⃣ Moti

SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "During winter, windows play a critical role in keeping homes warm and energy-efficient. What looks like a simple glass panel is actually a carefully engineered thermal barrier designed to fight heat loss. 1️⃣ Thermal Expansion & Seals: Window frames are built with materials that expand and contract predictably with temperature changes. Rubber gaskets and weather stripping tighten in cold conditions, creating an airtight seal. 🔒 2️⃣ Double or

SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "To celebrate the arrival of winter, China built a massive 19-meter-tall snowman, turning seasonal snowfall into an engineering and cultural spectacle. This wasn’t just a pile of snow — it was a carefully planned structure designed to withstand time, temperature changes, and gravity. ❄️ Scale & Structure: At nearly the height of a 6-storey building, the snowman required controlled layering of compacted snow to maintain stability. Snow density