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Physical Attraction

We are the podcast that explains ideas in physics, one chat-up line at a time.

You can read about us here, contact us here and if you like what we do and want to help us keep doing it, you can donate here. You can subscribe to the Physical Attraction: Extra! Feed over at Patreon: www.patreon.com/PhysicalAttraction - where for $3 per bonus episode, you can help to support the show, and get some juicy bonus content too. If you donate $3+ via the Paypal link, I can also send you a direct download link to a bonus episode of your choice. Just leave your email, and the episode you want. Bonus episodes released so far: Alien Attack, Part II (45m). 

Sep 30, 2017

The human population has been growing exponentially for a long time. It’s been continuously growing since the Black Death in the 1300s – and although wars, famines, and plagues cause occasional blips in the growth since, it’s been pretty close to exponential since the Industrial Revolution kicked off. Now Malthus...


Sep 24, 2017

We have a guest on the show today – Phil Torres. Phil Torres is an author, Affiliate Scholar at the Institute for Ethics and Emerging Technologies, former contributor at the Future of Life Institute, and founding Director of the X-Risks Institute. He has published in Bulletin of the...


Sep 15, 2017

75,000 years ago, the human race was on the brink of extinction.

The cause was the Toba supervolcanic eruption, which had plunged the earth into a volcanic winter and killed all but a few thousand remaining humans. This moment was the closest we have come to extinction since our species began.

Even smaller volcanic...


Sep 10, 2017

Occasionally, in the world, we observe empirical laws – the laws of experiment - that seem to be spookily accurate. There’s no theoretical reason why they should be obeyed, but they just happen to describe the world remarkably well. Perhaps the best example of this, that has changed and will change the world the...


Sep 2, 2017

We know that a great deal of our critical national infrastructure depends on complex cyber-systems; but in the fast-changing world of the internet and computer systems, it's become impossible for slow-moving legislators to catch up to the shifting goalposts. Hackers and similar groups have had major impacts on society....