ANTB Knowledge
Why things are the way they are, explained with real sources and pictures that make it stick.
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How things work · 5 min read
A smoke alarm does not sense flames directly. It watches for tiny particles in the air, using either electricity, light or both, then turns that change into the piercing sound we recognise.
How things work · 6 min read
A zip fastener looks simple, but its reliability depends on carefully shaped teeth, a precisely formed slider and forces that pull the two sides together.
How things work · 6 min read
That familiar mix of vanilla, wood, grass and mustiness is not one mysterious scent. It is a chemical record of paper, ink, glue, storage conditions and slow ageing.
How things work · 6 min read
The gaps you feel while crossing a bridge are carefully designed movement points. They help a bridge respond to heat, cold, traffic and small structural movements without cracking itself apart.
How things work · 6 min read
A refrigerator does not create cold. It uses electricity to collect heat from the food compartment and release that heat into the room, over and over again.
How things work · 6 min read
Cutting an onion is a tiny chemical chain reaction. Damaged cells release enzymes that create a volatile sulphur compound, which reaches the eye and triggers a protective flow of tears.
How things work · 6 min read
That familiar orange-brown coating is not simply iron getting dirty. Rust is the visible result of a small electrochemical reaction involving iron, water and oxygen.
How things work · 6 min read
Those familiar black stripes are not tiny pictures of a product. They are a compact visual language that lets scanners turn patterns of light and dark into numbers, identifiers and instructions for computer systems.
How things work · 6 min read
The familiar keyboard layout was shaped by the mechanical problems of 19th-century typewriters, then preserved by training, habit and the arrival of computers.
How things work · 8 min read
Ice behaves unlike most solids: when liquid water freezes, it expands instead of shrinking. That gives ice a lower density than liquid water—and lets it float.
