TOP-TECH: Mobile phone
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Today, millions of people across the planet will make a call from a mobile phone. These fantastic devices are everywhere and in many ways are making the world seem a lot smaller. By dialling just a few numbers a mother on an Australian train can say good night to her children in Belgium and a businessman in Japan can have a chat with his colleague on a boat off the coast of Argentina. And mobile phone uses don't end there! They are now being used to send and receive e-mail, browse the internet, and run simple programs too. It seems like magic, but really there is no sorcery to it.

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| How does the mobile phone work? | What science made the mobile phone possible? | The future |


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