Spiderman Tech - Could a human spin a web like a spider?

One of Spiderman's greatest tools are is web shooters.  How did these develop in the comic books and are they scientifically possible?  Find out how his abilities could be similar to Silly String!   (Start video at 3:30 to end) 

1. How strong and elastic is drag line silk?  
2. Spiders can lift great weights, which could be explained by their unique body structure.  How could Spiderman's super strength be explained through science?   Let's consider endorphins (pain-killing molecules that help humans perform incredible acts of strength under stress).  When you have an endorphin rush, you don't feel much pain.  (Start at 5:30) 

Also, check out a previous Science of Superheroes blog post on Spider Silk - Representing on a human scale