Explain Like I'm 5For Devs, By Devs.
From AI to databases, we explain the hard stuff In Plain English — no jargon, no gatekeeping. Just real talk, real examples, and a little code when it helps.
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6 guidesWhat is Retrieval-Augmented Generation?
Retrieval-Augmented Generation (RAG) lets AI systems find and use real information — so they're grounded in your data, not just what they were trained on.
What is Zero-Shot Learning?
Zero-shot learning is when an AI solves a new task without needing examples. It just understands what to do based on your instructions.
What are AI Agents?
AI agents are smart programs that can plan, decide, and act on their own to reach a goal — kind of like how AI code assistants write and refactor code for you without you micromanaging every step.
What is a Large Language Model (LLM)?
Large Language Models (LLMs) are the brain behind AI tools like ChatGPT. They generate text by predicting the next word, trained on huge datasets.
What is Prompt Engineering?
Prompt engineering is how you 'talk' to AI tools. It’s the art of crafting instructions that guide large language models to do what you want.
What is a Vector Database?
Vector databases store meaning, not just data. They help AI tools retrieve relevant info based on semantic similarity — essential for modern search and LLM grounding.
What is ELI5?
ELI5 stands for "Explain Like I'm 5" – a way of breaking down complex topics into simple, easy-to-understand explanations.
Our ELI5 guides explain tech using:
- Simple language without unnecessary jargon
- Clear analogies that relate to everyday experiences
- Visual aids and examples where helpful
- A focus on the core concepts you actually need to understand
Who is this for?
Perfect for junior developers, career-switchers, or anyone trying to make sense of the fast-moving tech world.
Want to suggest a topic?
Have a tech concept you'd like explained in plain English?Tweet us @InPlainEngHQ with the hashtag #ELI5Request.