Iceberg Threads
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Inventions and discoveries ahead of their time
Prehistoric
Ancient
Medieval
16th-19th centuries
20th century
Unconfirmed
Unc
Tier 1
Ancient Greek steam engine
Ancient Greek vending machine
Antikythera mechanism
Archimedes' death ray
Unc
Baghdad Battery
Unc
Cathode-ray tube amusement device
Da Vinci tank
Greek Fire
Roman concrete
Tier 2
Ancient Egyptian brain surgery
Unc
Ancient Greek heliocentric model
Claw of Archimedes
Unc
Colored photos of the Russian Empire
Damascus steel
Hwacha
Kalthoff repeater
Tang Dynasty printer
Tesla's wireless electricity
Unc
Tier 3
18th century car
Atari 2600 online game store
I, Robot
Medieval Skyscrapers
Roman flexible glass
Unc
Soviet Internet
Soviet remote controlled tank
Steam powered kebab spinner machine
Tier 4
18th century black hole theory
Ancient Greek evolution theory
Boeotian Flamethrower
Han Dynasty seismograph
Neanderthal medicine
Unc
Roman germ theory
Soviet laser tank
Tier 5
Homo erectus raft
Unc
Tanzanian carbon steel
Lewonx
History
35
178
24 Jan 2026
24 Jan 2026
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