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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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

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SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "This video shows a master craftsman sculpting a perfectly smooth curved ledge using a custom wooden trowel, and it’s a brilliant example of precision meeting traditional technique. Unlike flat plastering, curves demand constant control of pressure, angle, and motion. 🔹 Why a wooden trowel? Wood absorbs moisture slightly, preventing plaster from sticking and tearing, which helps achieve a smoother, more organic curve. 🔹 Controlled geometry:

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

SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "Your smartphone battery looks simple from the outside, but inside it’s a carefully engineered chemical system powering your entire digital life. Most modern phones use lithium-ion batteries, and here’s what’s actually inside them: 🔹 Anode (Negative Side): Usually made of graphite. This is where lithium ions are stored when your phone is fully charged. 🔹 Cathode (Positive Side): Made from lithium metal oxides (like lithium cobalt oxide). Thi