Is spider silk expensive?

Long term, spider silk developers have to target a cost of less than $10 per kg if their material is to compete with conventional textiles on a mass-marke...

Are Uruk Hai half orcs?

In the movies Uruk-hai are described as a crossbreed between Orcs and "goblin-men". This is presumably a reference to the Goblin-men and Half-orcs in Saru...