Posted on décembre 28, 2013 by Frank
Black holes are still unknown cosmic objects. They are often treated as a vacuum cleaner. Their astrophysical interest for the discovery of gravitational waves or another is considerable. Black holes are so dense that their gravity prevents any form of radiation or matter out cosmic objects. They are predicted by the theory of general relativity [...]
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Posted on décembre 19, 2013 by Frank
Did you know that it is important to have regular eye exams even if you seem to have a good vision? Periodic examinations can help detect « silent » diseases as glaucoma, that can cause blindness if early treatment is not initiated. Children who have difficulty to reading or learning in school may have vision problems, problems that [...]
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Posted on décembre 10, 2013 by Frank
Even though we rarely make mention of it, air conditioning plays a key role in today’s society. Most modern buildings in the developed world are equipped with such systems: this includes governmental offices, retail outlets and some industrial buildings. For homes, though, it is a bit more complex matter: some people are not able to [...]
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