Interesting Facts | Daily Reels on Instagram: "Remember that little red laser pen we all used to play with? 🔴✨ Turns out, it’s more than just a fun toy — it’s a mini science marvel in your hand! Inside that tiny metal tube is a semiconductor diode that converts electricity into a focused beam of light — perfectly aligned through a lens to make it travel straight for meters! ⚡🔦 From teasing cats 🐱 to pointing at stars 🌌, this gadget shows how simple tech can feel like magic. ⠀ 👉 Follow @brai

Physics Uncovered on Instagram: "What you’re seeing isn’t magic — it’s science. The Leidenfrost effect happens when a liquid touches a surface that’s much hotter than its boiling point. When the man’s hand briefly touches the stream of molten lava (over 1,200°C), the moisture on his skin instantly vaporizes, forming a thin layer of steam. This vapor layer momentarily insulates his skin from direct contact — just long enough to avoid a burn. But here’s the catch: the protection lasts only for a s