| http://www.w3.org/ns/prov#value | - A long line points to the center of the sundial, which is also marked with shorter lines denoting the time in 15 minute increments.</p><p>But as noted, it is amazing to me how many people, especially young people, have no idea how the ancient time-telling device works.</p><p>A few days ago I put the dial out on a concrete block, where it attracted a few kids who looked at it in bewilderment.</p><p
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