Does a tree falling in a forest still make sound if nobody hears it? This episode of Educasement explores sound waves, vibrations and pitch.

Check out Chrome Music Lab to play around with different sound frequencies on their oscillator simulator Chrome Music Lab - Oscillators

We also referenced this Storybots video too if you want to give it a watch How Do Ears Hear? (Sing-Along) | StoryBots

In this episode, Theo explains why no flat map can accurately show a round planet and why some countries look much bigger than they really are.

Along the way, Mum realises that maps aren’t wrong on purpose — they’re making compromises for what has to change when the Earth is flattened.

Check out www.thetruesize.com website for further understanding of the Mercator Projection.

Zero feels simple — but it quietly changes everything.

In this episode we discuss why zero isn’t “nothing”, why maths wouldn’t work properly without it, and how a symbol for nothing ended up being one of the most powerful ideas humans ever invented.

Sources & fact-checking:

Topics discussed in this episode reference the YouTube channel Numberphile. A link to the specific videos can be found in the show notes.

In this episode we talk about why infinity isn’t a finite number and try to explain how there are different sizes of infinity.

Quick hello and intro to what our new podcast is going to be about.