The 27th Letter is the ampersand. That’s according to a very interesting e-newsletter from Blurb, my paperback print/distributor. I was so taken with it, I’m recreating it here, using their graphics and words. The 27th Letter Ever wonder why we
Pahoehoe, pyroclastic flow and The Shadow of the Volcano
P is for… pahoehoe and for pyroclastic flow Pahoehoe (pa- ho-ee ho-ee) is possibly my favourite Earth Sciences term – it is a type of lava that forms great masses that look like rope, so also dubbed ‘ropey lava’. I