I'm interested in learning about the Antikythera Mechanism. From the homepage, what are the essential details about what it is, when and how it was found, and why it's considered important in history? Provide a concise summary.
Navigate to antikythera-mechanism.gr. Scroll down the homepage to ensure all primary descriptive content is visible. Identify and extract information defining the Antikythera Mechanism's purpose. Locate details regarding its discovery, including the year and method. Find explanations for its historical significance. Synthesize the gathered information into a concise answer.
State that the Antikythera Mechanism is an ancient Greek analogue computer designed to predict astronomical positions and eclipses for calendar and astrological purposes. Identify its discovery in 1901 by sponge divers from the Antikythera shipwreck off the coast of the Greek island of Antikythera. Explain its historical significance by mentioning its complexity and accuracy being far ahead of its time, challenging conventional views of ancient Greek technological capabilities, and being the most complex known ancient device. Confirm that all provided information was obtained exclusively from the homepage of antikythera-mechanism.gr.