Websites, videos, social media - all this data is converted to light and it travels through optical fibres. These are normally made from glass, but you can have a go making them from sugar. Join Dr Greg Jasion and the Hollow Core Fibre team and we'll show you how they work, how they're made and tell you about some of the exciting research we're doing for the future. Join a clean room tour next door, and you can see our fibre drawing tower too.