Crafts CouncilDirectoryMarilyn RathbonePi in the SkyAboutPi has been calculated to trillions of digits and memorised to thousands but how many do we actually need? To calculate the circumference of the observable universe to within the width of a single atom – just the first thirty-nine. Here they are, circled in the colours of the cosmic spectrum.Marilyn RathboneWorthing, EnglandPi in the Sky, detail, Marilyn RathbonePi in the Sky, close-up detail, Marilyn RathboneMaterials: silk thread, brass rings, painted wooden battensPi in the Sky, full view, Marilyn RathbonePi in the SkyAboutPi has been calculated to trillions of digits and memorised to thousands but how many do we actually need? To calculate the circumference of the observable universe to within the width of a single atom – just the first thirty-nine. Here they are, circled in the colours of the cosmic spectrum.Marilyn RathboneWorthing, EnglandPi in the Sky, detail, Marilyn RathbonePi in the Sky, full view, Marilyn RathbonePi in the Sky, close-up detail, Marilyn RathboneMaterials: silk thread, brass rings, painted wooden battensMore from Marilyn RathboneProjectWaterhouse Natural History Art Prize, South Australian Museum, Adelaide, 2009ProjectSix Degrees of SeparationProjectEquivalent IXProject100 Metres DashProjectThe British Textile Art Exhibition 62@50, Tokyo, Japan, 2014ProjectBauhaus BraidsProjectVlieseline Fine Art Textiles Award for Most Innovative use of Textiles, 2019ProjectRibbonacci