We experience polarity of light when we wear a pair of sun-glass or look at a computer through an anti-glare filter. Starlight...
The inability to track stars even with big telescopes in the early days emphasized the need for a steer able mount. The...
Photography was used in astronomical studies. It was observed that a film can accumulate light over several second’s unlike the human eye,...
It was soon found that there was a practical limit for constructing large lenses. Such telescopes had to be long to get...
Despite all the progress in understanding the nature of light what Samuel Johnson said about light (quoted by Boswell in 1776) still...
In the early 1950’s a young man-born in India on 10, August, 1927-returned home from the United States. He had had a...
Kodaikanal in Tamil means ‘summer, a mirage’. Apparently, the name indicates that there is no summer in Kodaikanal, which is a picturesque...
The effort to understand the Universe in one of the very few things that lifts human life a little above the level...
Indian astronomers have proved their resolve to go to even Antarctica to study the Sun! The Indian Institute of Astrophysics designed and...
Documents in India office in England dated AD 1616 describe telescopes as ‘prospective glasses’. It would appear that the agents of the...
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