There are so far about 1, 000 candidate galaxies, some of which can out-shine our Sun by a factor of 100 trillion.

BBC: Supermassive black holes and hot galaxies in giant haul

Rather than impress people with device specifications or cut-rate prices, they can shine by deftly launching this new iPhone.

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By carefully tailoring the semiconductor layers, the researchers can make lasers that shine in two bands of infra-red light to which the atmosphere is highly transparent allowing the light to travel a long way.

ECONOMIST: Lasers

Subsequent observations with an infra-red telescope, which can see things that are too cool to shine with visible light, showed that it was a very faint star so faint that it is off the bottom of astronomers' scale of stellar classification.

ECONOMIST: Twinkle, twinkle, giant planet

Android phones shine in choice: you can get a huge screen, for example, a memory-card slot or N.

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