8 creative lessons from Pixar

Immersing yourself in the world of people doing amazing things can bring unexpected results. Here's what you can learn from Pixar's creative process.

How do green screens work?

How do green screens work? The resulting images can look incredibly realistic -- so how do they make the magic happen? We'll tell you the secret.

What is the difference between Blu-ray and DVD?

They're both round. Both shiny. And they're the same size. Despite how they look, however, Blu-rays and DVDs are different kinds of technology. Here's a primer on the differences between the two spinning silv...