A new study suggests that medieval stone discs found in Ukraine were likely used by Vikings as solar compasses to navigate ...

IN these days of accurate clocks and watches no one thinks of using a sun dial to tell the time of day. At best such an instrument can be right but four times a year, and in many places it can ...

Manuelle Gautrand Architecture has designed the Sun Dial Apartment in Paris, France. "The ultimate objective was to maximise the flow of natural light through the space," said Manuelle Gautrand ...