Explainer/Climate & energy tech
What is carbon capture?
Carbon capture means catching carbon dioxide before or after it reaches the air. Here is how chimney capture and direct air capture work, where each one fits, and how to judge a project.
Format
Format: Explainer
Evergreen “What is X” pages for a 12-year-old.
What is augmented reality?
Augmented reality adds computer-made things to the world in front of you, usually through a phone camera. This guide covers how the tracking works, what AR does well, and why sunlight ruins it.
Explainer/Artificial intelligence
What is artificial intelligence?
Artificial intelligence is software that learns a job from examples rather than from rules a person wrote. This guide covers what it does well, where it fails, and how to spot it in tools you already use.
Explainer/Semiconductors & chips
What is an NPU, and how is it different from a GPU?
An NPU is the part of a phone or laptop chip built to run neural networks on very little power. Here is what it does, how it differs from a GPU, and how to watch yours working.
Explainer/Artificial intelligence
What is an AI hallucination?
An AI hallucination is a wrong answer delivered in a confident voice. Here is why it happens, which questions bring it out, and a one minute check that catches most of it.
What is an AI agent?
An AI agent takes a goal, uses real tools and keeps working until the job is done. Learn how the loop works, what agents fail at, and how to give one safe limits.
What is a zero-day vulnerability?
A zero-day is a software hole the maker does not know about, so no fix exists yet. Learn how one is found and used, why most attacks never need one, and how to limit the damage.
Explainer/Climate & energy tech/Kenya · Nigeria
What is a smart grid?
A smart grid is an electricity network that can see itself. Here is what the sensors and smart meters really do, what they fix, what they cannot fix, and how to judge your own supply.
What is a sensor, and how does it work?
A sensor turns something real, such as heat or movement, into a number a computer can use. Learn the five steps inside one, and how to tell a good reading from a bad one.
Explainer/Semiconductors & chips
What is a semiconductor?
A semiconductor conducts electricity only when you tell it to, which is what makes a switch with no moving parts possible. Here is how silicon becomes a chip.
What is a qubit?
A qubit is the basic unit of a quantum computer, and it is stranger than a coin you have not looked at. Here is what superposition, phase and entanglement really mean.
Explainer/Artificial intelligence
What is a neural network?
A neural network is a stack of very simple steps whose settings are learned from data. Here is what a layer does, how training works, and the questions to ask before you trust one.