Remote Method For Reading Temperature

This is a remote method of determining the temperature of a lava flow. This geologist is holding a device that was originally invented to measure temperatures in industrial blast furnaces. Even at this distance of about 3 meters he still needs to wear a long sleeve fire-fighter's shirt and a knit hood over his head for protection against the radiant heat.

To Working On Hawaiian Volcanoes

 To Ask a Volcanologist         To VolcanoWorld