Wow! How Did They Do That?, Episode 4, Making hospitals work QR code

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A QR code is a type of barcode which can contain links to webpages. Mobile phones with a camera and an appropriate application are able to read these codes and take you to the address contained within it.

This code will link to the page for Wow! How Did They Do That?, Episode 4, Making hospitals work when read using a QR code reader.

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