The Antikythera mechanism is an ancient mechanical computer designed to calculate astronomical positions. It was recovered in 1901 from the Antikythera wreck. Its significance and complexity were not understood for decades. Now it has been built in Lego.
Warning: Unknown: Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively in Unknown on line 0