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Tag: technology

The Photophone

The Photophone

Alexander Graham Bell believed that his greatest achievement was the photophone, a device that could transmit speech on a beam of light. The speaker’s voice would strike the back of ...

by Glenn, Polyhistoria Researcher • July 27, 2019December 17, 2019

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A History of Bombing: Laws of War & International Justice
Algebra 1 (The Art of Problem Solving)
Amazons in the Iranian World: Warrior Women in Myth and History
Ancient Languages: Intro to Akkadian
Ancient Philosophies For The Modern Bro
Anthropology On The Front Lines
Archaeological Forgeries: How To Spot A Fake
Barbarians Inside the Gate: Immigration in Rome & Today
Codes & Cyphers: The Secret History & Science Of Cryptography
Cossack Sorcerers: Secretive Warrior Society of Ukraine
Death Throes of The Roman Republic
Deciphering Ancient Scripts I: Sumerian, Egyptian, Luwian, & Etruscan
Deciphering Ancient Scripts II: Decrypting the Minoan & Mycenaean Scripts
Economic & Political History of Statelessness (The Art of Not Being Governed)
Economic & Political History: How Governments Fail
Forgotten Inventions: Leeches Who Could Predict the Weather
Forgotten Medieval Weapons: The Unknown Warrior Arsenal from Around the World
Global History Of The Modern World (1400CE- 1950CE)
God Didn’t Say That: Biblical Mistranslations & Misunderstandings
History of Carrots: A Propaganda Vegetable
History of Exploration: Forgotten Explorers
How Europe Conquered the World: The Roots of Wealth & Power Inequality
Human & Political World Geography (Prisoners of Geography)
Human & Political World Geography (Strange Maps)
Journey to Knighthood: The Hidden Steps of Becoming a Medieval Knight
Killer Khilats: The History of Poisoned “Robes of Honor” In India
Mad Honey! How Ancient Armies Waged War With Hallucinogenic Honey
Mathematics of Antiquity I: Math of Merchants & Marauders
Mathematics of Antiquity II: Geometry of Kings & Court Astrologers
Medieval World History: Vikings to Mesoamerica (400CE to 1600CE)
Mesopotamian Demons, Gods, & Cosmic Geography
Modern Languages: Intro to Spanish
Modern Languages: Intro to Turkish
No Other Gods Before Government: Reassessing Sophocles’ Antigone
Null & Void: The Hidden Power of Jury Nullification
Our Magnificent Mongrel Tongue: The Untold History of English
Persian Kings of Kings: Cambyses II & Darius the Great
Persian Kings of Kings: The Rise of Cyrus the Great
Reading Like A Historian: Ḫammurapi’s Code
Rise of the Barbarians
Schak’webze: The Secret Hunting Language of Circassian Nobility
Socio-Linguistics: Lost In Translation
The Three-Headed Monster: Pompey, Crassus, & Caesar
U.S. Empire History: United States as a Global Power
Unlocking The Mysteries Of The Viking Swords
Unlocking The Mystery Of Herodotus' Gold Digging Ants
Who Invented Trousers? Clothing In The Ancient Persian World

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