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Arizona History Museum  
   

Arizona History Museum

Some aerogel....so cool! Aerogel is a synthetic porous ultralight material derived from a gel, in which the liquid component for the gel has been replaced with a gas. The result is a solid with extremely low density and low thermal conductivity. Nicknames include frozen smoke,[6] solid smoke, solid air, solid cloud, blue smoke owing to its translucent nature and the way light scatters in the material. It feels like fragile expanded polystyrene to the touch. Aerogels can be made from a variety of chemical compounds. Aerogel was first created by Samuel Stephens Kistler in 1931.
Museums

December 16th 2018
We visited the Pima Air and Space Museum on Friday. It has an extensive collection of planes, housed both inside and out on the grounds. We had hoped to visit the giant Air Force "boneyard" facility, but you now need to get security clearance at least ten days before your visit. The Museum is one of the world's largest non-government funded a ... read more
North America » United States » Arizona » Tucson

American Flag Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the origina... ... read more
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