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: "Sandbags are critical during floods, construction, and emergency situations, but filling them by hand is slow and exhausting. This video shows a smart, efficient on-site method that saves time, labor, and energy. 1️⃣ Gravity-Based Filling: Instead of shovels, workers use a hopper or chute system that lets sand flow directly into bags using gravity. This drastically speeds up the process. ⏱️ 2️⃣ Consistent Volume: Each bag receives a uniform a

SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "This video highlights one of the most painful stories of the digital age — a man attempting to recover an old USB pendrive containing Bitcoin worth millions today. In the early days of cryptocurrency, Bitcoin was almost worthless, often stored casually on flash drives with no backup. 1️⃣ Early Bitcoin Storage: Before hardware wallets and cloud backups, users stored private keys on simple USB drives. Losing the drive meant losing access foreve

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