It’s the early 1800s and you’re securing a message to your friend on a carrier pidgeon. As you send it off on its way, you can only hope it will make it to its destination, with no way of knowing if it does. Today, you can send a message instantly to almost anywhere in the world from your smartphone and even know the second it has been read. When you take a second to observe what we often now take for granted, it can seem miraculous how far technology has come in such a short time. And when you start to think of how it all works, it can down-right seem like a mystery.

I hope you’ll join me and follow my blog Da Vinci Code as we uncover the secrets of programming and computer science