deterioration

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Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

Mount Everest (Mt. Everest, mountains, Himalayas).

Is Mount Everest Really the Tallest Mountain in the World?

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Santa Claus flying in his sleigh, christmas, reindeer

Was Santa Claus a Real Person?

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Common, or southern, cassowary (Casuarius casuarius).

8 Birds That Can’t Fly

deterioration

physics

Also known as: candling

Learn about this topic in these articles:

ice decay

In ice in lakes and rivers: Thinning and rotting
In the spring, when average daily air temperatures rise above the freezing point, ice begins to decay. Two processes are active during this period: a dimensional thinning and a deterioration of the ice crystal grains at their boundaries. Thinning of the ice layer is…
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