The Antikythera Mechanism: The World’s Oldest Analog Computer
Discovered in a 60-70 BC shipwreck off Antikythera, Greece, this bronze device reshapes our view of ancient engineering. Its complex gear technology wasn’t seen again for another 1,400 years.
Continue reading for more. 1/5
Clip via BBC
The Antikythera Mechanism: The World’s Oldest Analog Computer
Discovered in a 60-70 BC shipwreck off Antikythera, Greece, this bronze device reshapes our view of ancient engineering. Its complex gear technology wasn’t seen again for another 1,400 years.
Continue reading for more. 1/5
Clip via BBC
@randallwcarlson One large impact occurs at least every 100,000 according to NASA’s own numbers. Civilisation resets are surely more common than we assume.
“We are a species with amnesia” - Graham Hancock
The Kalambo Structure - A 476,000 year old wooden structure that rewrites history
In 2023 archaeologists uncovered a 476,000 year old wooden structure at Kalambo Falls, Zambia, predating Homo sapiens by over 200,000 years! This is the oldest evidence of woodworking, crafted with precise notches, revealing shocking sophistication in ancient technology, likely by Homo heidelbergensis. #Archaeology
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The Kalambo structure shows hominins, far from simple hunter-gatherers, mastered complex construction via communal effort. This resets our understanding of their sophistication.
It begs the question: what other marvels did our ancestors build that time erased?
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The Kalambo Structure - A 476,000 year old wooden structure that rewrites history
In 2023 archaeologists uncovered a 476,000 year old wooden structure at Kalambo Falls, Zambia, predating Homo sapiens by over 200,000 years! This is the oldest evidence of woodworking, crafted with precise notches, revealing shocking sophistication in ancient technology, likely by Homo heidelbergensis. #Archaeology
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Comprising two precisely joined logs found with stone tools, the Kalambo structure likely served as a stable platform or walkway. Was this the work of early humans or another hominin? Its construction suggests communal effort and advanced adaptation for a riverine setting.
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What other construction methods did the ancients use that we still don't understand? Older megalithic structures likely hold many techniques lost to time.
Self Healing Concrete: Ancient Roman Genius
Why do ancient Roman structures like the Pantheon stand strong after 2,000 years while modern concrete often crumbles within decades? The answer lies in a remarkable innovation: self-healing concrete. Roman engineers mastered a technique that allows concrete to repair itself. Continue reading to find out how. [1/3]
#MaterialsScience #History
Clip via Lost in Time
MIT researchers recently replicated Roman concrete recipes, revealing that specific lime clasts previously dismissed as low quality inclusions enable this self healing property. This discovery could revolutionise modern construction.
This is yet another example of us underestimating ancient technology.
Like and follow for more. [3/3] #Science
Self Healing Concrete: Ancient Roman Genius
Why do ancient Roman structures like the Pantheon stand strong after 2,000 years while modern concrete often crumbles within decades? The answer lies in a remarkable innovation: self-healing concrete. Roman engineers mastered a technique that allows concrete to repair itself. Continue reading to find out how. [1/3]
#MaterialsScience #History
Clip via Lost in Time
Roman concrete’s secret? A unique mix of volcanic ash, lime, and aggregates.
When water seeps into cracks, it triggers a chemical reaction: dissolved lime forms calcium carbonate crystals, sealing the crack in as little as two weeks. What was once thought to be impure aggregates was a deliberate genius of Roman engineering. [2/3] #Archaeology
Clip via Lost in Time
@theseoblogger@TheProjectUnity Exactly 👌 They existed in a careful balance with nature.
It worked far more sustainably for thousands of years than our current agricultural system.
The Antikythera Mechanism: The World’s Oldest Analog Computer
Discovered in a 60-70 BC shipwreck off Antikythera, Greece, this bronze device reshapes our view of ancient engineering. Its complex gear technology wasn’t seen again for another 1,400 years.
Continue reading for more. 1/5
Clip via BBC
This machine rewrites what we think the ancients could do. We view ancient civilisations as somewhat primitive, yet they created devices “centuries ahead of their time”. This suggests it is our perception that’s flawed, not that these were miraculous one off anomalies.
What other lost capabilities did ancient civilisations possess?
Share your thoughts and follow for more. 5/5
Clip via BBC
The Antikythera Mechanism: The World’s Oldest Analog Computer
Discovered in a 60-70 BC shipwreck off Antikythera, Greece, this bronze device reshapes our view of ancient engineering. Its complex gear technology wasn’t seen again for another 1,400 years.
Continue reading for more. 1/5
Clip via BBC
How has it been dated?
- Greek coins found amongst the shipwreck’s vast artefact collection point to 70-60 BCE
- Radiocarbon dating of the ship’s timber wood confirms this period
- Inscriptions in Greek Corinthian script affirm its Hellenistic origin 4/5
Clip via fern-tv