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    Future Technology

    How does a TV aerial work? © Getty Images
    Future Technology

    How does a TV aerial work?

    Why don't passenger seats on aircraft face backwards? © Getty Images
    Future Technology

    Why don’t passenger seats on aircraft face backwards?

    Why does it cost more to call Australia than it does to visit an Australian website? © Getty Images
    Future Technology

    Why does it cost more to call Australia than it does to visit an Australian website?

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    What is meant by 'the geoweb''? © Getty Images
    Future Technology

    What is meant by the term ‘geoweb’?

    Why can't I use a mobile phone on the Underground? © Getty Images
    Future Technology

    Why can’t I use a mobile phone on the Underground?

    Is it possible to encrypt the data on my laptop? © Getty Images
    Future Technology

    Is it possible to encrypt the data on my laptop?

    What's the most energy-efficient car wheel size? © Getty Images
    Future Technology

    What’s the most energy-efficient car wheel size?

    How does sat nav know which way I'm facing? © Getty Images
    Future Technology

    How does sat nav know which way I’m facing?

    How do search engines work? © iStock
    Future Technology

    How do search engines work?

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    Which mobile phone gives off the least amount of radiation? © Getty Images
    Future Technology

    Which mobile phone gives off the least amount of radiation?

    Do 'battery eaters' make batteries more environmentally friendly to dispose of? © Getty Images
    Future Technology

    Do ‘battery eaters’ make batteries more environmentally friendly to dispose of?

    By Leonid Faerberg [GFDL 1.2 (http://www.gnu.org/licenses/old-licenses/fdl-1.2.html) or GFDL 1.2 (http://www.gnu.org/licenses/old-licenses/fdl-1.2.html)], via Wikimedia Commons
    Future Technology

    What are the advantages of forward-swept wings in aircraft design?

    Why does my energy-saving light bulb sporadically shine after it's been switched off? © Getty Images
    Future Technology

    Why does my energy-saving light bulb sporadically shine after it’s been switched off?

    Print your own organs © Getty Images
    Future Technology

    Print your own organs

    Why don't cars use carbon capture? © Getty Images
    Future Technology

    Why don’t cars use carbon capture?

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