When Lightning Strikes Sand, It Creates Bizarre Glass ...
Aug 01, 2019· "Sweet Home Alabama" did get something right — when super hot lightning (at least 1,800 degrees Celsius/3,272 degrees Fahrenheit) hits sandy beaches high in silica or quartz, it fuses the sand into silica glass beneath the ground. That means you can actually dig up petrified lightning if you know where to look. The movie portrays these glass sculptures as root-like, but fulgurites, as the ...