Sundials: the Art of Shadows
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Description: An essay on the use of sundials in gardens.
Sundials: the art of shadows | GardenVisit.com, the garden landscape guide > Sundials: the art of shadows Orbital movement of the Earth causes the gradual and predictable travel of a shadow across the face of a sundial. Each sundial must be designed for an exact location, otherwise it will only reveal the dialer's ignorance (Figure 1). Adaptation to a precise location is a good principle in all garden design. The length of the shadow cast by a sundial's gnomon depends on the time of year, the latitude of the dial, and the position of the earth on its daily rotation. No two identical dials, in different gardens, will cast shadows in the same position at the same time. Sunlight itself is produced by the conversion of hydrogen to helium and takes 8 minutes to travel the 149.6 million kilometers from sun to earth. It is little wonder that dials induce contemplation. They were placed on church towers, because "time is a sacred thing'. When mechanical clocks became available, the demand for dials increased: they were needed to set the clocks. When other ways of setting clocks became available, many old dials were moved into vicarage gardens.
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| Page title: | Sundials: the art of shadows | GardenVisit.com, the garden landscape guide |
| Keywords: | Sundials: the art of shadows, garden, history, design, images |
| Description: | Sundials connect gardens, and their designers, with the solar system |
| IP-address: | 92.48.118.88 |
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| NS | Name Server: NS-1138.AWSDNS-14.ORG Name Server: NS-1952.AWSDNS-52.CO.UK Name Server: NS-359.AWSDNS-44.COM Name Server: NS-668.AWSDNS-19.NET |
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| Date | Creation Date: 09-nov-1998 Expiration Date: 08-nov-2017 |