Connectedness
You haven’t heard from me in a while because I was down with the flu followed by a serious wound infection. It was serious, because the blood-flow through my left body-half is slow due to my braintumor – which makes it difficult for my immune system to fight bacteria. Luckily, a week of antibiotics was enough to fight off the infection.
As I was recovering, I had to save my energy, so there wasn’t much I could do besides lying in bed and thinking. At such moments (when the pain is not too bad), I often marvel at the connectedness of everything I see around me.
At one point I was looking out my window, at a clear blue winter sky, and I was reminded of Carlo Rovelli’s article “Space is blue and birds fly in it“. Moments like this remind me that abstract concepts like Einstein’s space and time not only exist in theoretical physics, but they are everywhere around us – the clear blue winter sky is actually the expanding deep space of Rubin, Hubble and Lemaitre – the space Einstein once believed to be characterized by the cosmological constant.
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