Author: Sic

http://time.com/3832353/calbuco-volcano-erupts-chile/

http://www.earthporm.com/great-pyramid-of-giza/

The material consists of a 25 mm thick layer of the “foam,” actually a low-density, sponge-like composite of magnesium, silicon, and copper, and aluminum, which is sandwiched by two 2 mm thick aluminium sheets. There is no glue either, it’s all held together by metallic bonds.

via New Aluminium Foam promises faster, stronger and lighter trains |Interesting Engineering.

Lightning in an erupting volcano in Mexico.  Photo by Hernando Rivera

http://www.huffingtonpost.com/2014/09/18/california-drought-gifs_n_5843534.html

Elon tweet; “Looks like Falcon landed fine, but excess lateral velocity caused it to tip over post landing”….