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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.
Dinosaur fossil excavation site revealing ancient bones
Dinosaur fossil excavation site revealing ancient bones
Explore the causes of extinction and its impact on biodiversity. Discover notable extinct species and learn vital lessons for today's conservation efforts. 🌍🦕
Visual representation of the gut-brain axis illustrating communication pathways
Visual representation of the gut-brain axis illustrating communication pathways
Uncover the fascinating connection between the gut microbiome and brain health 🧠. Learn how gut bacteria influence mental functions and impact disorders.
A visual representation of traditional multiplication methods using grids.
A visual representation of traditional multiplication methods using grids.
Explore various multiplication methods 🧮 through traditional techniques and innovative strategies. Gain insights into their mechanics, applications, and relevance in education and practice.
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
Geometric shapes representing fundamental principles
Geometric shapes representing fundamental principles
Unravel the world of mathematical geometry, its principles, branches, and applications in science and engineering. 📐 Discover how geometry influences our environment! 🌐
A digital interface showcasing a simulated dice roller in action
A digital interface showcasing a simulated dice roller in action
Discover the mechanics of randomized dice rollers 🎲. Explore their impact in gaming, simulations, and education, while understanding randomness in choices. Learn more!
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.
Graphical representation of a function with highlighted roots
Graphical representation of a function with highlighted roots
Delve into the essential methods for finding function roots 📈. This guide covers analytical, graphical, and numerical techniques crucial for math and science! 🔍
Abstract representation of mathematical concepts
Abstract representation of mathematical concepts
Explore the core principles of mathematics, its branches, applications in technology, and impact on society. ✖️📐 Deepen your understanding and appreciation today!
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. 🧠🔍
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. 🪐🔭
Artistic representation of the Webb Telescope in space
Artistic representation of the Webb Telescope in space
Explore the groundbreaking launch of the Webb Telescope! Discover its significant advancements, key milestones, and potential impact on astronomy. 🔭✨