Timey wimey, wormy squirmy…

WHILE we’re on the subject of holes (Were we? Yes we were – pay attention at the back) there’s another type of hole talked about a lot in science fiction – wormholes.

I don’t mean the ones you find in the garden, but the ones many scifi authors find useful for taking characters from one region of space/time to another without that tedious annoyance of reality getting in the way and taking forever.

The idea of a wormhole – basically a short-cut between two points in space or time – has been around for a lot longer than you’d think. Like the theory of parallel universes, it has an essential basis in what could be possible, physics-wise, so you wouldn’t have to throw a stick very far in a scientist convention to hit someone who thinks it could be true. Continue reading

Why black holes don’t suck

THE universe is full of holes. Black holes.

Well, they’re not really holes – it’s a bit of a misleading name, to be honest. Black holes are not holes as we understand the term – they’re not filled with nothing. In fact, they’re anything but empty.

A black hole is what we call it when a huge amount of matter has been packed tight into a small space. Think of it as three of our suns, all squeezed together into a space small enough to fit a city in. A bit squashed, truth be told. Continue reading