Physics • Machine Learning • Curiosity
Welcome to Tensors & Quarks
Exploring the cosmos of physics and the depths of machine learning with hands-on experiments, notes, and essays.
Latest Posts
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Black Hole Meets Neutron Star. Nothing Happens. Everything Changes
Introduction: When Gravity Speaks and Light Doesn’t
Astronomy entered a new era in 2017 when scientists witnessed the first ever multi-messenger event: GW170817. It was a neutron star collision that didn’t just ripple space-time but also burst forth in light—gamma rays, optical waves, X-rays, and more. Since then, the race has been on to catch more of these cosmic spectacles. But what happens when nature offers only silence?
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What happens to time when your universe can move through another?
Introduction: A Universe That Moves, and Time That Bends
Time travel is a fascinating concept — the stuff of science fiction and countless philosophical puzzles. But sometimes, the idea creeps into legitimate physics. Not as a machine or paradox, but as a byproduct of how we define time and causality in the first place. The paper Back to the Future: Causality on a Moving Braneworld ventures into this territory, asking what happens to causality — the idea that cause comes before effect — when our entire universe isn’t stationary but moves through a higher-dimensional space.
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Can We See the Shape of the Universe?
1. Introduction
What is the shape of the universe? Is it infinite or finite but unbounded, like a video game world that wraps around on itself? While general relativity has given us profound insights into the local curvature of spacetime, it leaves unanswered the question of the universe’s global shape. In her 2001 paper, Topology and the Cosmic Microwave Background, Janna Levin explores how cosmology and topology intersect—how the universe’s large-scale connectivity might be imprinted in the faint glow of the early universe: the cosmic microwave background (CMB). This paper not only bridges mathematics and astrophysics but also pushes the philosophical boundary between what can be known and what must remain an assumption.
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Will We Colonise Mars in the Next 50 Years?
This was my assignment for a university coursework module, where I was tasked to evaluate the likelihood of humans colonising Mars within the next 50 years. As someone fascinated by space exploration and future technologies, this topic struck a chord with me. What began as a research task soon turned into a deep dive into the science, speculation, and possibilities surrounding Mars colonisation. Here’s what I found.
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Exploring the Solar Poles: Unlocking the Sun’s Final Frontier
Introduction: The Last Great Frontier of Solar Exploration
For centuries, humanity has observed the Sun — tracking sunspots, solar flares, and cycles of activity. Telescopes, space observatories, and satellites have offered remarkable insights into our star’s behavior. Yet, an entire region of the Sun remains practically unexplored: its poles. The paper titled “Exploring the Solar Poles: The Last Great Frontier of the Sun” (Nandy et al., 2023) sets out to emphasize just how critical this overlooked region is to understanding the inner workings of our star. The authors argue that the solar poles hold vital clues to the Sun’s magnetic field generation, its cycle, and the behavior of space weather.
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