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The 7 Wonders of the World

Wolrd biggest country

The Sleep of the Dolphins

Pirates of the Caribbean: The curse of the Black Pearl

The exact duration of one year


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Did you know that ...

... the koala sleeps 20 hours a day? more

The speed of the light

The light travels at 300.000km/s.

Velocidad de la LuzThe exact speed of the light, in the emptiness, is of 299.792.458 meters per second (m/s), although is common to round it to 300.000Km/s. This value is known as “c", from Latin “celéritas”, that means speed.


This is just like 1080000000 Km/h (671080888mph), something abysmal compared with the speed which we can reach with the fastest vehicles quicker that the human being has invented. At this speed, you would go 23 times round the world in a second.

Posted by Curious

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