Apollo 11 Landed on the Moon With 4 KB of RAM: The Computer That Got Us There
The Apollo Guidance Computer had about 4 KB of RAM, a 1 MHz clock and code woven by hand. How it worked, and how the 1202 alarm nearly stopped the landing.
Blogs · Reviews · Explainers
Every TechPrana Short gets a full write-up here – the details, sources and context that don't fit in a minute of video.

Latest posts
The Apollo Guidance Computer had about 4 KB of RAM, a 1 MHz clock and code woven by hand. How it worked, and how the 1202 alarm nearly stopped the landing.
AI tools helped find PHP2Shell, two critical PHP flaws hidden for about 14 years. Then details leaked, attacks hit millions and sites went dark. The story.
In the 1970s an Australian astronomer hunted for exploding black holes and found nothing. His signal-cleaning maths later became a key part of Wi-Fi.
OpenAI's GPT-6 comes in three models named after the sky. What Astra, Sol and Luna mean, what each does, and which one you get in ChatGPT.
In 2023 a Chevy dealer's ChatGPT chatbot agreed to sell a 2024 Tahoe for $1. How one prompt tricked it, whether the deal was real, and the lesson for AI.
Smart TVs track what you watch with ACR. Now people use AI agents like Claude Code to switch off ads, trackers and bloat. How it works, and the risks.
A 4 KB chess game on a console with 128 bytes of RAM beat ChatGPT and Copilot, and Gemini backed out. What happened, and why chatbots are bad at chess.
A fleet of AI agents hammered Alibaba's map service. Researchers hid a message for them in a web page, and the agents wrote back. Here's what happened.
Nintendo began in 1889 making playing cards, ran a taxi firm and sold instant rice. But did it run love hotels? 6 Nintendo myths and facts, checked.
On YouTube
Quick tech trivia, AI explainers and reviews in under a minute. Each one links back here for the full story.
Subscribe to TheTechPrana