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How is frequency related to pitch? Hear the music we love emerge from pure mathematical beats.

We talk to Stuart Johnston who uses mathematics to find out how noise pollution in the oceans impacts whales.

Generating electricity without the use of fossil fuels is not just an engineering and industrial challenge, it is also a huge mathematical challenge.

In this podcast author Coralie Colmez shares insights into her novel

*The irrational diary of Clara Valentine*.We talk to early career mathematicians who spent some of their summer holiday solving problems posed by industry — such as how to blend a perfect smoothie!

I really like Max Tegmark because he bravely thinks about strange, but stll plausible things. He makes me think deeply and has so for many years.

But i have one BIG (to me) question. What exactly does it mean to say reality is a mathematical "structure"? I can't think of what such an implementation would actually be???

Is that a philosophical thing? Or a "spiritual" thing (in the hippie/zen sort of way)? Or a computer virtual instrumentality? Or elementary particles and so-called natural laws? I lean to the latter as the only one that strikes me as plausible. But I'm not the inventor of this idea, so, ask them.

As far as the "we're a computer simulation" argument I basically don't care a wit. As long as it seems real and plausible to me and it somehow allows "free will" (I don't know what that is either but DO care). I'm a cheer leader for DeCarte. I don't think his most oft repeated "cognito ergo sum" has ever been effectively

refuted. And as long as I can think (freely) I'm a happy camper.

But, I still like to think about it.