Altar's elegant, fluted form is carved from solid oak and completed with an illuminated tube seamlessly nestled in its architectural grooves. The light is ...

201791 — When light passes through the lens, it bends (refracts) and focuses on the retina at the back of the eye. ... Rods process light in low-light ...

MS Ram · 2018 · 29 — This study demonstrates the influence of illumination on reading rate; there were no significant differences between males and females under different ...

202422 — Sacramento Bee reader Lynn Hanna asked: When the metering light ... When the meter lights are activated, California Highway Patrol ...

S Quabis · 2000 · 1049 — Abstract. The smallest spot sizes are reached by focusing an annular shaped light beam with a high aperture lens. We show theoretically that the ...

THE entomologist studying insect behaviour faces the problem of determining how the environment appears to insects, through their sense organs. The many differences in the sensory apparatus of man and insects represent one reason why it is difficult for us to appreciate fully the insect environment. For example, our own insensitivity to the plane of polarization of light has long kept us from recognizing an aspect of sky light which is of significance in the behaviour of many insects and other arthropods. Although it has long been known that daylight from most areas of blue sky is partly plane polarized, in a pattern which bears a definite relationship to the Sun's position, only within the past decade has it become established that arthropod eyes are sensitive to changes in the polarization of light. It has been found, also, that a variety of these animals refer to the plane of polarization of light from blue sky in their orientation reactions1.

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For California Customers: This product can expose you to chemicals including Carbon Black which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

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CHAPMAN, J. A Device for visualizing the Pattern of Plane Polarized Light from Blue Sky. Nature 181, 1393–1394 (1958). https://doi.org/10.1038/1811393a0

Shop Now - Free Shipping! Accent lighting brings life to displays, art, pictures, and much more. Browse our collection of ceiling adjustable spot lights, ...