This forms the sundog shape on each side of the halo. Tangent arcs wing outwards from where they touch the halo directly above and below the sun. They form when cirrus clouds have column-shaped ...

They’re most dramatic early in the morning, with the characteristic “v” shape, as seen in LeBaron’s photograph. The upper and lower tangent arcs only appear close to sunrise or sunset.

The size, shape and orientation of ice crystals all ... This wing-shaped bit of brightness is a tangent arc, which is created when light passes through the horizontal sides of a crystal.

At the recent Microprocessor Forum, London-based ARC took the wraps off the fourth incarnation of its 32-bit processor. The Tangent A4 marks a further expansion of the company's products into ...

Nurnberg, Germany, 14th February 2001-ARC Cores (LSE: ARK), a pioneer in configurable and extensible processors, today announced immediate availability of Tangent-A4, its latest soft microprocessor ...

ARC Cores has announced immediate availability of Tangent-A4, its soft microprocessor core for system on chip (SoC) design. According to the company, core can deliver performance of 230Dhrystone MIPS ...

A halo, with sun dogs and tangent arcs, was spotted over the Headland in Hartlepool by Ash Foster Much of northern England enjoyed a rare optical display on Sunday evening. Thin, high cloud gave a ...