We all have that one friend who just loves to drop random facts into conversations, just to prove they know stuff. For Dermot, Dave is that friend!

If you’ve ever wondered why airports are laid out the way they are, what you can do at the speed of sound, or what colour eyes you’re best off having, then Dave’s World is the place for you!

So seeing as today is the day that 'God amongst men' Elon Musk sends his Falcon Heavy Rocket into space, Dave had a look at what it's all about....

You can listen to the chat in full by pressing the 'play' button in the image above the headline.