So in this case, my interest over the last few days, which has been a recurring interest for years but a little more the past few days, has been interfaces – the between things.
So, it had been phonons (sound) which can be used to trap photons but then I found myself trying to understand more math-y concepts over my head and then I ended up back at soaps and detergents, which are between things. From that, I thought “why not shift into nerves as they are inbetween the environment and us…
and I looked at the evolution of touch and found pathways to the brain in a nice chart that linked things together in a way I hadn’t seen before.
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