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Earlier stories

August

13 August 2026 to 19 August 2026.

A barcode being scanned.

Technology

How a barcode is read

Bell Resident Editorial · 19 August 2026 · 8 min read

Physical emoji characters.

Technology

How emoji are encoded

Bell Resident Editorial · 18 August 2026 · 8 min read

A USB plug.

Technology

How a USB plug carries power and data

Bell Resident Editorial · 18 August 2026 · 11 min read

Server racks in a data centre.

Technology

What cloud storage means

Bell Resident Editorial · 18 August 2026 · 10 min read

Banknotes at a currency exchange.

Money

How a bureau de change sets a rate

Bell Resident Editorial · 17 August 2026 · 7 min read

A smoke alarm on a ceiling.

Home

How a smoke alarm senses smoke

Bell Resident Editorial · 16 August 2026 · 6 min read

A vacuum cleaner on a carpet.

Home

How a vacuum cleaner lifts dust

Bell Resident Editorial · 15 August 2026 · 6 min read

A kitchen tap.

Home

How a tap stops dripping

Bell Resident Editorial · 14 August 2026 · 5 min read

A reflex hammer at the knee.

Health

What a reflex is

Bell Resident Editorial · 13 August 2026 · 5 min read