If you can't read this, you could always hear it...

...and see if I've done my homework.

Nowadays, if you can't see a webpage, you can hear it. Great for Mr. Turver when he loses his glasses... so long as he can find his laptop!

So how does it work?

To keep this simple and not a 1000+ essay I normally write for ToK, I'll do quickfire. Ready? Go!

1. Soundwaves go into your ear
2. Converted to electrical impulses in cochlea
3. Goes to brain
4. Converted into a sensation

That was easy, no? But then, that means that our hearing is just an electrical impulse. So, in other words, if I could force your ear to make impulses somehow, I could make you 'hear things'.

So is what you hear what is real?

Is my homework complete Mr. Turver?