12 Machines Found in Sunken Ships
This listicle highlights some of the most intriguing and unexpected machines recovered from shipwrecks around the world.
Trending
10 Ancient Structures That Could Generate Power
Here's an exploration of ancient structures that produced or harnessed natural forces in ways that resemble early forms of power generation.
12 Ancient Designs That Use Mathematics We Still Don’t Understand
Some ancient designs demonstrate mathematical precision that seems impossible given the technology of their era. The reasoning behind their construction remains a mystery even to contemporary mathematicians and archaeologists.
12 Forgotten AI Projects From the Early 20th Century
Early AI projects often involved mechanical computers or symbolic reasoning systems. While most failed or remained obscure, they laid the groundwork for modern artificial intelligence.
10 Patents Removed From Public Record Without Reason
Some patents seem to have been erased without explanation, despite being granted or filed publicly. Their absence has fueled speculation about suppressed technology and classified projects.
15 Technologies That Work but No One Understands Why
These 15 technologies function reliably despite our incomplete understanding of the physics or mechanisms behind them.