Scientists Found a 12,000-Year-Old Monument—Turns Out It May Be Humanity’s Oldest Calendar
Carvings on a 12,000-year-old monument in Turkey appear to mark solar days and years, making it possibly the oldest solar ...
New Scientist23h
The epic quest to redefine the second using the world's best clocks
A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have to pack up their extraordinarily fragile optical clocks and take them on to ...
Greek City Times8h
The Antikythera Mechanism: A 2,000-Year-Old Mystery That Defies History
The Antikythera Mechanism, a 2,000-year-old Greek astronomical calculator, was found in a Roman-era shipwreck near ...