Learn How the Oldest Known Calculator Accurately Predicted Eclipses 2,000 Years Ago

This is one of the coolest things I've seen in awhile. Basically:


Device made in 100 BCE
1901: Wrecked ship discovered with the device
2006: Device's true purpose discovered - predicting celestial events and eclipses with "unprecedented accuracy"
2010: A fully functional replica was made...with Legos!


Check it out for yourself: