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40 Perpetual motion machines and how they work

2022-04-11 03:34

LBLeague

LBLeague, perpetual motion machines, Overbalanced wheels, perpetual pendulums,

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40 perpetual motion machines are displaying in this video. Overbalanced wheels, perpetual pendulums, magnet engines, gravity toys. Perpetual motion machines...

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40 perpetual motion machines are displaying in this video. Overbalanced wheels, perpetual pendulums, magnet engines, gravity toys. Perpetual motion machines, compilation of Ideas. This channel is created for the popularization of science and such a controversial topics in science as a concepts of perpetual motion machines...

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Historical Foundations of Race

 

The term “race,” used infrequently before the 1500s, was used to identify groups of people with a kinship or group connection. The modern-day use of the term “race” is a human invention.

 

The world got along without race for the overwhelming majority of its history. The U.S. has never been without it. 

DAVID R. ROEDIGER

 

 

Race is a human-invented, shorthand term used to describe and categorize people into various social groups based on characteristics like skin color, physical features, and genetic heredity. Race, while not a valid biological concept, is a real social construction that gives or denies benefits and privileges...

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