Alright this will be my final post on black holes, I promise. Unless you want more, that is? Actually that’s a silly question, of course you’d like more. But unfortunately you’re not getting any, so make sure you savour this one. It’s going to be… astronomical… (I’ll see myself out).
When you square a real number, whether it be positive or negative, you will always get a positive number. 82 = 64. (-8)2 = 64. It is quite simple to square root a positive number. But what if we want to square root a negative number?
In some previous posts I have touched upon the concept of electromagnetic radiation but not yet fully explained what they are. Today I hope to shed some light (pardon the pun) on why they play an important role in daily life.