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Prof. Ethan O’ Brien

Prof. Ethan O’Brien is a renowned mathematician specializing in algebraic topology and its applications in computer science. He teaches at Princeton University and is dedicated to demystifying mathematics through clear and engaging prose, appealing to both students and the general public.
Diverse microorganisms in a gut environment
Diverse microorganisms in a gut environment
Explore the microbiome, a vital ecosystem within us. Discover its role in health, disease, and our broader ecological ties. 🌍🦠 #Health #Microbiome
A detailed illustration of a black hole's event horizon and surrounding accretion disk.
A detailed illustration of a black hole's event horizon and surrounding accretion disk.
Delve into black hole physics! 🌌Explore formation, characteristics, theories & observations that reshape our understanding of the universe & its mysteries. 🔭
Conceptual illustration of space-time curvature
Conceptual illustration of space-time curvature
Explore the groundbreaking theory of relativity by Einstein! Discover its historical roots, key principles, special vs general relativity, and its lasting impact on science. 🪐🔭
Illustration of cosmic expansion showing galaxies moving away from each other
Illustration of cosmic expansion showing galaxies moving away from each other
Explore the compelling evidence of an expanding universe! 🚀 Discover redshift, cosmic microwave background, dark energy, and their impact on our cosmic understanding.
Illustration depicting the biochemical pathways involved in dementia
Illustration depicting the biochemical pathways involved in dementia
Discover the complex causes of dementia, highlighting biochemical, genetic, and environmental factors. Learn about research advances and public health implications. 🧠🔍