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Black, the forewing with white spots, the hindwing with a white transverse band; for the greater part red-brown beneath, with whitish lines and bands. On the upperside there appear vestiges of reddish yellow lines at the distal margin; specimens in which these lines are absent or only in places slightly indicated, while the white markings are ...
A solar street light in British Columbia, Canada. The solar panel is one of the most important parts of a solar street light, as the solar panel can convert solar energy into electricity that the lamps can use. There are two types of solar panels commonly used in solar street lights: monocrystalline and polycrystalline. The conversion rate of ...
The list comprises butterfly species listed in The Moths and Butterflies of Great Britain and Ireland by Emmet et al. [1] and Britain's Butterflies by Tomlinson and Still. [ 2 ] A study by NERC in 2004 found there has been a species decline of 71% of butterfly species between 1983 and 2003. [ 3 ]
Solar traffic lights are signalling devices powered by solar panels positioned at road intersections, pedestrian crossings and other locations to control the flows of traffic. They assign the right of way to road users by the use of lights in standard colors (red - amber/yellow - green), using a universal color code .
Fish Quay Low Light: North Shields Fish Quay 55°0′33″N 1°26′4″W: Northumberland 1807 1999 26 m (85 ft) Newcastle-upon-Tyne Trinity House (until 1990s), Port of Tyne: Fish Quay Old High Light: North Shields Fish Quay 55°0′34″N 1°26′13″W: Northumberland 1727 1810 Newcastle-upon-Tyne Trinity House (until 1810) Fish Quay Old Low ...
Oxford Street was the first to switch on its Christmas lights in London, officially beginning the countdown to the big day. Thousands of brilliant white stars blanket the sky, and the view dazzled ...
New street lighting technologies, such as LED or induction lights, emit a white light that provides high levels of scotopic lumens. It is a commonly accepted practice to justify and implement a lower luminance level for roadway lighting based on increased scotopic lumens provided by white light.
Melanargia galathea, the marbled white, is a medium-sized butterfly in the family Nymphalidae. [1] Despite its common name and appearance, this butterfly is one of the "browns", of the subfamily Satyrinae. This species can be found across most of Europe, southern Russia, Asia Minor and Iran.