Archive for the tag 'lava'

Blue is Hot?

blue-lava-kawah-ijen-volcano-indonesia-e1402437443767

source: http://bluelavasolutions.com/

This is a bit of a cheat. The picture is clearly lava so we know that intellectually it should be hot, but most of us are conditioned to think light in the red side of the spectrum is “warmer” and blue is “cooler”. The volcano here is in Indonesia and the blue lava phenomenon is from the large amounts of a particular sulphur present that emits the color blue when it is ignited. This made me think of the the dance choreographer that I mentioned in class who had the typical red/blue warm/cool idea reversed; perhaps she’s from Indonesia…