It is often thought that Viking helmets had two horns on the top however the helmet used for raids and in battle did not have horns. Horned helmets were only used in religious ceremonies and for display.Viking swords were made of iron with steel edges.t is often thought that Viking helmets had two horns on the top however the helmet used for raids and in battle did not have horns. Horned helmets were only used in religious ceremonies and for display.
If you think gold, or silver are the most expensive metals in the world because we call them âpreciousâ, you are wrong. For starters, other precious metals like platinum and rhodium cost more despite the fact that their prices came down considerably in recent weeks.
Titanium is the fourth most abundant element on Earth. It is expensive on a per weight basis relative to iron for example because it is difficult to extract from its ore but I doubt it is as expensive per ounce as gold. There are notebook computers being built in a pure titanium box.