Techno Mum: How does it work?

Find out how every day objects work with Techno Mum!

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About Techno Mum

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DAB Digital Radio

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How do radios know what song is playing?

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How does a card know how much money is in the bank?

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Why do batteries die?

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How can computers identify a song?

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How do fingerprint scanners work?

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What do car batteries do?

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Smoke Alarms

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Telly

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Digital Roads

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How do electronic car keys work?

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How do game controllers work?

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WiFi Wonders

WiFi Wonders

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Zappers and Controllers

Zappers and Controllers

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Techno Security

Techno Security

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Spongebob and Patrick chat to George

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Undercover Engineers: E-Democracy

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Undercover Engineers: Animal Architects

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Pylons: Sustainability

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