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In this episode...

* Could a GPS sat nav work on the moon? 

* A Pudding Squared returns.  

* An APS announcement.

* AND format news! 

If you have any memory of how 'Is This Your Card' started please (please) let us know. 

As always, if you've got a problem or a solution, hit us up on our website aproblemsquared.com.

And if you want want even more from A Problem Squared, find us on Twitter and Instagram.

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