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© 2026 Harsha Vardhan. All rights reserved.

Notes on software, product systems, and AI workflows.

Notes on building software, product systems, AI workflows, and taste.

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#QuantumGravity#TheoreticalPhysics#QuantumMechanics#Astrophysics#Gravastars#Black Holes#Cosmology#Blue Team#Security Best Practices#Offensive Security#DevSecOps#Red Team#Pentesting#IDOR

Strings Attached: The History and Development of String Theory

April 27, 2025

Explore the fascinating journey of string theory.

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April 27, 2025

Gravastars: Redefining Our Understanding of Spacetime

December 8, 2024

Discover Gravastars—quantum-inspired cosmic contenders that challenge black hole supremacy. Explore how these exotic objects, stabilized by vacuum energy and exotic matter, may resolve paradoxes like singularities and information loss, reshape our understanding of spacetime, and offer new insights into dark matter, dark energy, and the universe’s ultimate fate.

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December 8, 2024

Visualizing Infinity: How Penrose Diagrams Make the Impossible Seem Simple

November 27, 2024

Discover how Penrose diagrams simplify space-time, black holes, and wormholes. This guide explores their role in general relativity, cosmic evolution, and their cultural impact in science fiction.

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November 27, 2024

Docker vs Podman: a Hacker’s perspective

November 26, 2024

Compare Docker vs. Podman from a hacker's perspective. Discover their security features, vulnerabilities, and which is better for containerized environments

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November 26, 2024

Hacking 17000 people with an IDOR Vulnerability

August 16, 2024

Explore a detailed case study on uncovering and mitigating a severe IDOR vulnerability in a redacted platform. How a simple curiosity led to exposing sensitive data of 17000 personnel

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August 16, 2024

A Beginner's Guide to CrowdSec: Getting Started and Enhancing Security

January 9, 2024

Discover how to fortify your cyber defenses with CrowdSec, the open-source, community-driven security tool

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January 9, 2024