Explains Physics 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