It is no mystery that light is essential to human life. Since the discovery of fire, humans have developed various artificial light sources, such as incandescent lamps, gaslights, discharge lamps, and ...

This is a preview. Log in through your library . Abstract In agricultural and natural systems, diffuse light can enhance plant primary productivity due to deeper penetration into and greater ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

I TOOK advantage of a recent opportunity to make some observations on polarisation of the diffused light in sea-water, using a detector consisting of four quartz prisms made up on the De Senarmont ...

This is a preview. Log in through your library . Abstract The diffuse background light in the Coma cluster is measured using isodensity tracings of B, G, V, and R photographic plates taken with the ...