OK, over the past eight episodes of Crash Course Astronomy we’ve covered a lot of basics: What you can see, how you can see it, and how some basic forces sculpt what’s out there. So. What’s out there?

In 2011, brothers John and Hank Green created an educational YouTube channel called “Crash Course” with the goal of spreading high-quality educational videos for everyone, free of charge. A year later ...

The father of computer science himself: Alan Turing. Today we’re going to take a step back from programming and discuss the person who formulated many of the theoretical concepts that underlie modern ...

Today we’re going to look at how our computers read and interpret computer files. Today we’re going to look at how our computers read and interpret computer files. We’ll talk about how some popular ...