What is mixed reality?
Mixed reality puts digital objects in your real room and lets them treat it as solid. This guide explains how a headset learns the shape of a room, how MR differs from plain AR, and what it is used for.
Format
Format: Explainer
Evergreen “What is X” pages for a 12-year-old.
Explainer/Artificial intelligence
What is machine learning?
Machine learning is how a program picks up a skill from examples instead of from rules. Here is the training loop in plain words, the three main kinds, and the checks to run before you trust a model.
What is low Earth orbit?
Low Earth orbit is the crowded band of space a few hundred kilometres above your head. This page covers how it works, what it is good and bad at, and how to spot a satellite tonight.
Explainer/Climate & energy tech
What is green hydrogen?
Green hydrogen is hydrogen made by splitting water with renewable electricity. Here is how it is made, where it genuinely helps, where it wastes energy, and what to check in any project.
Explainer/Artificial intelligence
What is fine-tuning an AI model?
Fine-tuning takes a trained AI model and teaches it your job with a small set of your own examples. Learn what it changes, what it cannot fix, and when to use something else.
What is extended reality (XR)?
XR is the umbrella word for virtual, augmented and mixed reality. This guide explains what the three share, what is inside a headset, why bad tracking makes people sick, and what XR is really good for.
What is end-to-end encryption?
End-to-end encryption seals a message on your phone and opens it only on the phone of the person you wrote to. Learn how the keys work, what it still leaves exposed, and how to check it is on.
What is edge computing?
Edge computing puts the thinking next to the data instead of in a far-off data centre. Learn how it works, what it is good at, what it is bad at, and how to spot it.
Explainer/Tech policy & AI governance/Kenya
What is digital public infrastructure?
Digital public infrastructure is the shared digital road a country builds once and many services then use. This page covers the three usual layers, the real benefits, and the ways it fails people.
Explainer/Cybersecurity/Kenya
What is cybersecurity?
Cybersecurity is the set of habits that keep data secret, correct and available. Learn how real attacks start, which defences pay off first, and what to fix this week.
Explainer/Biotech & health tech/Nigeria
What is CRISPR?
CRISPR is a cheap, accurate way to cut DNA at a chosen spot. This page explains the guide, the cutting protein, what gene editing can and cannot do, and where it has reached patients.
What is cloud computing?
Cloud computing is renting computers over the internet instead of owning them. Here is what you are actually renting, why the bills grow quietly, and what to ask before you move.