Could you build a real-life lightsaber? What does the physics of today have to say about it?
Orbiting a Black Hole
If the Sun were to collapse into a black hole right now, would we survive? Before we tackle this question, let's get our hands dirty with a bit of the physics behind black holes. Firstly we have to find out what they actually are, and how they were proposed in the first place. On top... Continue Reading →