Ho ho ho! It's the most wonderful time of the year. In this week's episode, we're looking at the role of engineering in revolutionising the post! There are loads of challenges in sorting and delivering letters and parcels but technological advancements like optical recognition systems, digital markings on stamps, QR codes, and can barcodes help... Join Fun Kids Podcasts+: https://funkidslive.com/plus See omnystudio.com/listener for privacy information.