Einstein was right…again. Gravitational waves rule!

About 1.3 billion years ago, two black holes collided – and the whole fabric of space-time rang like a bell. Last September, researchers in the US detected the gravitational ripples. They announced it this week – and THAT, my friends, is awesome news. It’s not just the fact that Albert Einstein predicted them 100 years… More Einstein was right…again. Gravitational waves rule!

Planet 9 won’t be as big as Uranus. Really.

This week’s news in the Astronomical Journal that Mike Brown and Konstantin Batygin of CalTech have predicted a ninth planet got the usual barrage of silly media headlines about ‘discovery’. The thing is, Brown and Batygin haven’t found anything. They’ve hypothesised that there’s a planet. And they are not the first to wonder about some… More Planet 9 won’t be as big as Uranus. Really.

Imaginings about imaginary imagination, tulips and climate

I have always been fascinated by the human ability to make what we imagine seem real. And then to take that reality and imagine something else built on it, and so on. Eventually, we build a ‘reality’ that is built not on physical evidence, but on our chain of imagined concepts – which society picks… More Imaginings about imaginary imagination, tulips and climate