The Golden ThreadAll textiles begin with a twist. From colourful 30,000 year old threads found on the floor of a Georgian cave to what the linen wrappings of Tutankhamun's mummy actually meant; from the Silk Roads to the woollen sails that helped the Vikings reach America 700 years before Columbus; from the lace ruffs that infuriated the puritans to the Indian calicoes and chintzes that powered the Industrial Revolution, our continuing reinvention of cloth tells