Physical Attraction

In this episode, we look at how Einstein's theory of general relativity gave rise to a theoretical framework for examining cosmology - the evolution of space, time, and the Univers...

In 1929, Edwin Hubble published his findings. The redshifts from distant galaxies were proportional to their distance away from us. Theoretical cosmologists would pounce on them as...

Everything we have been able to infer about the Universe began in total ignorance. Many early theories about how the Universe was structured were wildly incorrect - but astronomers...

When you're trying to narrate the history of the entire Universe, where do you begin? I decided to start in a radio studio in London in March 1949, when the term "Big Bang" was fi...

Arguments surrounding climate change have become subtler. Outright denial is gradually shifting to rhetoric that supports delaying urgent action. In this review of a paper by Stein...

As the climate change debate has advanced, the arguments surrounding it have become more subtle. Outright denial of the climate problem is rare - so rhetoric has shifted to delayin...

Why should we listen to scientists? Well, because they're right a lot of the time. But also because - ideally - the institutions of science embody values that everyone can agree ar...

How can machine learning and artificial intelligence help us in the fight against climate change? I explore literally dozens of ideas for possible applications of ML algorithms in ...

I interviewed David Gerard, author of the cryptocurrency blog and book of the same name "Attack of the 50ft Blockchain", as well as a new book "Libra Shrugged" about Facebook's att...

I have generally held back on talking about bitcoin - because I'm super opinionated and it's one topic that generates a lot of heated discussions - but I finally let it all go in t...

In The Coal Question, Jevons - alongside realising that we needed a transition to renewable energy 150 years ago - posed the efficiency paradox. Using energy more efficiently motiv...

In this episode of our series on energy efficiency, we are going to talk about industrial applications - how we can improve the way that high-energy industries and difficult-to-dec...