Tom McCarthy

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December 17, 2025

An End of Year Note, 2025

Physics, investing, and startups. Books, marriage, and San Francisco. Happy Christmas.

I have never enjoyed physics as much as I do now that I'm not a university student. For some reason, college smothered my interest in the subject instead of nourishing it. Sad, and some of that was my fault, but hardly all of it. I started college in 2018, in the Physical Sciences track at Trinity College Dublin. After two years, I was too fed up to continue with college, so I took a year out. When I returned, I switched to the Theoretical Physics degree, and eventually graduated in 2024. I recall being deeply excited by my studies on exactly 3 occasions: studying the Thermodynamics textbook, my complex analysis module, and doing my final year project, trying to simulate electron structures for a material similar to graphene.

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