fractography

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Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

5 Remarkably Close U.S. Presidential Elections

United States electoral college map showing number of electoral votes by state.

How Does the Electoral College Work?

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

United States elections portal page linking to each election interactive

A History of U.S. Presidential Elections in Maps

David Cameron. President Barack Obama and Prime Minister David Cameron of the United Kingdom talk during the G8 Summit at the Lough Erne Resort in Enniskillen, Northern Ireland, June 17, 2013

What’s the Difference Between a President and a Prime Minister?

fractography

mechanics

Learn about this topic in these articles:

properties of glass

In industrial glass: Strength and fracturing
Fractography of glass is important in manufacture and service, in that it is equivalent to a postmortem examination. An experienced fractographer can often pinpoint the origin, the cause, and the circumstances of product failure.
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