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Geomagnetic navigation system for underground malls developed

Wednesday 12th November, 06:46 AM JST

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4 Comments

  • electric2004 at 11:30 PM JST - 12th November

    In older times, a simple compass would be enough. Actually still helpful to have one.

  • Nessie at 12:30 AM JST - 13th November

    Where would malls be going?

  • TokyoGas at 04:01 AM JST - 13th November

    What happened to wall maps?

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