Channel: IndexSe7en

Category: Education

Tags: ancient technologyarchimedesheat rayadvanced techviking compassesflexible glassgreek firedamascus steelsilphium

Description: 7 Advanced Ancient technologies we still Can’t Replicate Today Heat-Ray Weapon - classicalwisdom.com/archimedes-super-villain Roman Concrete - smithsonianmag.com/history/the-secrets-of-ancient-romes-buildings-234992 Viking Compasses - livescience.com/44366-vikings-sun-compass-after-sunset.html Silphium - en.wikipedia.org/wiki/Silphium Flexible Glass - en.wikipedia.org/wiki/Flexible_glass Damascus Steel - en.wikipedia.org/wiki/Damascus_steel Greek Fire - en.wikipedia.org/wiki/Greek_fire soundtrack: "Elder" GMaks (soundcloud.com/gmaks/lder) Licensed under Creative Commons: By Attribution 3.0 creativecommons.org/licenses/by/3.0 Intro: "Redletter" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 creativecommons.org/licenses/by/3.0