(2010-08-30) Top10 Lost Technologies

This list of Top10 LostTechnologies is pretty interesting: Stradivari Violins, Nepenthe, the Antikythera Mechanism, the Telharmonium, the Library Of Alexandria, Damascus Steel (Watered Steel), Apollo/Gemini Space Program Technology (Moon Mission), Silphium (Birth Control), Roman Cement (superior to Portland Cement), Greek Fire.