Dave Gray offers a solid, free Python tutorial that runs for about 9 hours. It’s a pretty methodical course, starting with the basics and moving into more complex stuff like closures and recursion. He ...

Managing startup investments is essentially managing risk, and Marc Andreessen has an interesting theory on how to model it. Marc Andreessen — ...

Magnetic fields that stretch across thousands of light-years should take a very long time to organize. Standard dynamo theory ...