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414 BCE
Diving Used in Warfare
Greek divers in the siege of Syracuse submerged and removed obstacles, allowing the safe passage of their warships. This is the first time such tactics are recorded. -
200 BCE
Circumference of the Earth Discovered
A stick casts no shadow at noon on the longest day in Syene. Do sticks cast a shadow at that same time in Alexandria? Turns out, sticks do. Why? Eratosthenes deduced that this was due to the curvature of the earth and was able to calculate this to high precision. https://www.youtube.com/watch?v=G8cbIWMv0rI -
200
First Indicated Use of Goggles
Peruvian pottery appears to show a fisherman who uses goggles. -
Sep 20, 1519
First Circumnavigation of the World
Magellan’s expedition circumnavigates globe for first time. (He did not survive, The Filipino’s had better aim.) -
First Voyage of Endeavour
Cook leaves England to observe Venus crossing the sun. Cook went on to be one of the greatest explores in history. -
The Nautilus
Steamboat inventor Robert Fulton builds the first true submarine, The Nautilus. Some of the tech he used is still in use today. -
Discovery of Deep Sea Life
Indications of life in ocean depths of over 6000 feet are discovered, raising questions about accepted theories of survivability at those depths. -
Proof of Deep Sea Life
The same person then discovers extensive life from dredgings of coastal surveys. -
Titanic Sinks
1500 lives are lost in the most famous shipwreck of all time. Engineers believed they had made an unsinkable ship. Nature had other ideas. -
The Aqua-Lung
Jacques Cousteau, owner of possibly the greatest French name of all time, invents the Aqua-Lung, a device that regulates breathing and allows divers to stay underwater for extended periods without being tethered to the surface. -
Deepest Dive in Dive Suit
Dr. Sylvia Earle does an underwater walk at 1250 feet for 2.5 hours. -
First Video of Giant Squid
First video of the creepiest thing you’re likely to ever see: https://www.youtube.com/watch?v=jCWop491Q9Y
