Telescope

The telescope is one of humankind's most important inventions, although we’re not entirely sure who to give the credit to.

The first person to apply for a patent for a telescope was Dutch eyeglass maker Hans Lippershey (or Lipperhey). In 1608, Lippershey laid claim to a device that could magnify objects three times. His telescope had a concave eyepiece aligned with a convex objective lens. One story goes that he got the idea for his design after observing two children in his shop holding up two lenses that made a distant weather vane appear close. Others claimed at the time that he stole the design from another eyeglass maker, Zacharias Jansen.

www.space.com/21950-who-invented-the-telescope.html

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Dinesh ^club

The telephone itself provides a form of space travel; as Hooke put it, a ‘transmigration into heaven, even whil’st we remain here upon earth in the flesh’. Everyone new began to imagine looking at the Earth in bigness as a star’, and Pascal would go further, imagining what it would be like to look at the Earth from deepest space only to lose sight of it: ‘an imperceptible point on the vast bosom of nature’. This became a new commonplace. For Locke, the Earth is now point but a spot: ‘our little spot of Earth’, ‘this spot of the uNiverse’. The idea that the Earth was tiny compared to the universe, or that one might imagine looking at it from far away, was not new; what was new was the expansion of scale that came with the new astronomy, so that the Earth could be simultaneously held to be a bright star if seen from another planet and invisible if seen from deep space, and the hold that this idea of seeing the Earth from vast distance had over the imaginations of the educated. ~ Page 230

3 years ago.

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