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Today bicententenario Meucci

On April 13, 1808 Antonio Meucci was born in Florence, the inventor of the telephone. I mentioned to him talking about Bell, the history that binds the two to the design of the phone.

Meucci began working as a stage technician at the Teatro della Pergola in Florence, but after the revolutions of 1831 had to flee to Cuba, where he continued his work at the Teatro Tacon in Havana. In 1850, the theater caught fire and Meucci had to move the United States, where he opened a candle factory (where he also worked Garibaldi).

In 1854 he began working the phone, to be able to communicate between the office and home with his sick wife. It mandates that the artist Nestor Corradi friend to make him a sketch of his idea, which will be used as proof of paternity of the phone.

Meucci had already created something similar, at least conceptually, at the time of his work in theater with a system of pipes could communicate directly from the control room with the workers, giving all the orders of the case.

Unfortunately for him, the candle factory did not go as hoped and ultimately failed, forcing Meucci to live with friends, with little money in his pocket. Despite all continued to work on his phone and eventually deposited in 1871 a temporary patent, paying $ 10 a year. Having no available funds managed only to renew it until 1873.

At this point Bell enters the scene, even as this inventor was working on the phone independently. Bell, however, had enough money to present a final patent in 1876, a system that allowed him to officially be the inventor of the telephone in the eyes of the law, given that Meucci was unable to win the case against him for fatherhood.

A long there was a debate in favor of either, but in 2002 the U.S. Congress to recognize the paternity of Meucci telephone, putting an end to the whole affair.

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the birth of the Max Planck Institute researchers identify new organic molecule in space

A group of researchers at the Max Planck Institute for Radio Astronomy (MPIfR) have detected for the first time, a molecule very similar to "amino acid in space.

According to the report in a research journal Astronomy & Astrophysics, the molecule amino acetonitrile, was discovered in a giant cloud of gas called "Large Molecule Heimat" is near the center of the galaxy in the constellation Sagittarius . L-amino acetonitrile has been effectively identified thanks to "help a 30-meter radio telescope in southern Spain. The discovery was later confirmed in France and in Australia by two arrays of radio telescopes with a spatial resolution ten times higher than that of the telescope originario.Quando have made this discovery, astronomers involved in the research project were studying the spectral lines emitted from molecules to complex "internal" Large Molecule Heimat. "Atoms and molecules emit light at very specific frequencies, which appear as characteristic lines in the electromagnetic spectrum. By analyzing these spectral lines, astronomers can determine the chemical composition of clouds cosmiche.Comunque, the more complex the molecule, the more become intricate its radiation, from which the "large number of spectral lines emitted by these molecules. At the same time, these lines are very weak and difficult to identify in the" skein "of spectral lines." Nevertheless, we are finally able to assign 51 very weak lines to the molecule amino acetonitrile "says Arnaud Belloc, scientist and lead author of the MPIfR monografia.Sebbene since 1965, astronomers were able to identify regions in the interstellar more than 140 types of molecules, particularly of organic or carbon for a long time are dedicated to the vain search for glycine, the simplest form of an amino acid. The researchers believe, however, that the "amino acetonitrile is most likely a direct precursor of glycine. "L" identification of the amino acetonitrile has further illuminated our understanding of the chemistry of the hot and dense regions where stars form. I am sure that in future we will be able to identify many other organic molecules, more complex in the interstellar gas. There are already several candidates, "says Karl Menten, director of the MPIfR and head of research group" Millimetre and submillimetre. "The search for interstellar amino acids is crucial to understanding the origins of life on earth, as amino acids are the basic building blocks of proteins, without which there would have been possible the "evolution of life. so far had been identified in amino acids meteorites fallen on Earth, but never in interstellar space.

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's when the stars were born: 500 million after the big bang

From "Il Corriere della Sera

MILAN - On the Origin of the Universe and the first steps have been placed three key points, clarifying the debate so far uncertain. The result is based on five years of observations of the WMAP satellite (Wilkinson Microwave Anisotropy Probe) of NASA who, making a leap over its predecessor COBE satellite, assessed the temperature differences in the cosmos when he was just 380,000 years. These fluctuations measured with microwaves reveal an average of 2.725 degrees Kelvin (absolute zero), that is -270 degrees Celsius and "photograph" what was coming. Already a couple of years ago, the orbital observatory was allowed to establish the precise age of the Universe: 13.7 billion years and to certify the existence of dark energy. Then he gave into account other key issues, but it was the beginning of the work now completed, reveals new evidence.

FIRST RESULTS - The first result provides evidence that a sea of \u200b\u200bneutrinos permeate the Universe. What had been called "cosmic neutrino background", ie the cosmic background of neutrinos, and there really was originally much larger than at present account for 10 percent. The remainder was made up from 12 percent atoms, 63 percent dark matter and 15 percent by the photons, while the dark energy was negligible. The hot and dense young universe was a reactor that produced helium and theories of this process also included a number of neutrinos which has now been confirmed. After the evolution, the situation today is very different present and neutrinos are only 1 percent. Atoms are also decreased (4.6 per cent and this is the visible universe) to which you add a dark matter more substantial (23 percent) as did the entry on the scene in recent times, the dark energy that comes even at 72 percent. Lesson two - The second point concerns the balance of WMAP evidence that the first stars began to form when the universe had just reached the half a billion years. "In the past it was believed that this had happened at the end of a billion years old - says Paolo De Bernardis, who has studied the topic in Antarctica with the high-altitude balloons -. Now the measure has been halved and is an important finding. " The timing is weird because that's when the universe goes dark era. Lesson three - The third, finally, states that phenomenon called "inflation" and explains that as in the first fraction of a second the universe has rapidly expanded and cooled. "So many versions of inflation theory has finally been removed - note Charles Bennett of Johns Hopkins University Baltimore - thanks to which we now have solid data. " "The budget is interesting but not conclusive - De Bernardis known - for example confirmation of nucleosynthesis in the early ages is of great value because it is the same we know today and which governs the nuclear reactions. But the next step will be accomplished with the Planck satellite that the European Space Agency ESA will launch before the end of the year. Then Expect other, extraordinary discoveries about our origins. "

Giovanni Caprara

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Why is the sky blue and the sun is yellow? The company

These two questions are so trivial that seem to have been made by a child. But would you know respond?

The solution lies in the electromagnetic nature of the sunlight.

Visible light is in fact made up of many electromagnetic radiation of different wavelength which together form what we perceive as white.

Each wavelength of light is perceived by a different color.

When a ray of sun reaches the earth meets the atmosphere composed of nitrogen, oxygen, and suspended as steam, water and other particles.
If the light encounters a drop of water, is fully reflected in all directions (colored with white clouds and fog) when he meets while nitrogen and oxygen status gas behaves differently depending on the wavelength of each color: red, which has a longer wavelength, will continue its road, as well as yellow and orange, while blue, which uha less Onga length, will be distributed in all directions and color the sky.

The sky near the horizon is blue because light must pass through more atmosphere and is therefore more widespread.
When approaching the sunset, the sun lowers on the horizon and the light blue and loses further component is disseminated other radiation such as red, which colors the sky.

If there were no atmosphere, the sky would be black (as on the Moon) and the sun would appear white. The indefatigable

Sun is yellow on the same principle: the light of the solar disk, encountering the atmosphere, has a different path depending on the wavelength and color that is popular is precisely the yellow.

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Moko the dolphin: rescued stranded whales

From "La Repubblica"

The expert: "I've never seen anything like it. I tried to push them for days at sea"
The organization of the dolphin Moko: rescued stranded whales' WELLINGTON - A dolphin was able to drive and bring two large sperm whales that had stranded on the beach at Mahia on the east coast of North Island, one of the major islands of New Zealand. The female specimen bottlenose dolphin, which beach goers have nicknamed Moko, was able to communicate with the two cetaceans (pygmy sperm whales) that were likely to die on the beach and taking them away to save them from the mainland. Look at the pictures of Moko "I have never seen such a thing, that's amazing," said Malcolm Smith, an official of the Conservation Department. Smith said Monday that the sperm whales were stranded on several occasions, despite his attempts - all unsuccessful - to get them away from the beach. The whales, a female three-meter and its smaller than a meter and a half, they were disoriented, apparently disturbed by a sandbar near the beach and could not to find the way to the sea. VIDEO: THE STORY OF WITNESSES "For an hour and a half I tried to push them into the sea, but were reluctant to leave the dock," he continued. "They were exhausted," he said, "and I had gotten to the point that I thought would not make it more, I did my best." Then came Moko, used to swim among the swimmers, approaching boats to be caressed and push the nose of the kayak. The dolphin has started to produce sounds and communicate. "Sperm whales are able to establish contact and Moko escorted them about 200 meters to the edge of the sandbar," said Smith, "then did a turn through quite a narrow channel and escorted them at sea.
Since then the two whales were far from the beach at Mahia, where each year some thirty whales get stranded, most of which can not be saved. "I do not know if the next time a whale is stranded we will return to Moko, "said the expert," surely this time he saved the day for us and the lives of two sperm whales. "

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Because if I leave a spoon in the bottle, the champagne is not outgassing?

Here's another odd question to be answered . In fact, the method of the spoon is not foolproof, but it can be a help to slow the loss of gas from the bottle once opened. This system can be used with all soft drinks, and also water, cola, beer, etc..

The system works if the bottle is open, is placed in a refrigerator with a teaspoon of metal stuck in his neck.

Why? Simple. The handle of the spoon, just metal, glass stays colder, maintaining a low temperature air in the bottle. The bubble of air rising from the neck to drink, meet cool area and the principle of Archimedes, would tend to decrease volume and increase in density, falling down.

Over time, however, both the heat capacity of the spoon, and the fact that the bubbles in this up and down can collide and break, the drink will tend However a flat.

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physics inside the car

Here's another question to be answered by a colleague using some principles of physics.

I was asked why, if throwing an object up while shooting in a car 100 km / h, this falls into my hand like I was firm and such does not fall back towards the rear seats.

The answer is simple. Take this time to consider the principle of inertia principle of Galileo or a Newton, who tells us that an observer rispettto ever, a body retains its rectilinear motion or at rest unless it is subject to forces.

imagine going 100 km / h on the highway at constant speed. We only consider the car and its occupants, neglecting the friction with the road, air, etc.. Going at a constant speed the car is not neither accelerated nor slowed.

The passengers are sitting in seats that are in solidarity with the car, traveling at the same speed and are not subject to any acceleration, then the principle of Galileo as he says, are not subject to forces (except that of gravity, but does not consider the horizontal motion) not being subject to such forces, and each passenger in the car are in a state equivalent to that of peace, that is, as if the car was completely stopped. This means

that if they are sitting on the front passenger seat and throwing up a coin, it will not be subject to any force except that of gravity. The coin will not move horizontally, but vertically, back in my hand.

However, if accelerated, things change and the money I will end on or in the passenger seat back. Why?

Why in this case the inertia comes into play, namely the properties of matter to maintain its state of motion or rest state.
Since there is a throttle, the car does not maintain its state of motion, but is subject to a force that moves it forward. Inertia, however, my body tends to remain in his state of relative rest with respect to the seat, which instead will move forward with the whole car. Result: they are crushed in the seat until I finish accelerate. Apparently am I going back to the seat, the seat is actually going forward and pressed against my back.

Similarly, when run in high speeds while the currency, its inertia will tend to have it remain in its state of rest while but my body will move forward driven by the seat. The money apparently is moving backward, then toward me or toward the back seat.
In reality, however, I have to go on with the seat to money and everything else. The inertia is a measure of delay with which the currency reacts to acceleration. If

brake the opposite happens, ie the machine is applied against an acceleration (deceleration) that tends to go back. The currency will continue to inertia, however, its motion and if I tried to throw up at this time would end on the mat or on the windshield.
It really is not the money that moves forward, but the windshield is moved back, because of the deceleration. The inertia of the coin, in this case will in practice the delay in reacting to this deceleration.

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week of scientific

Taken from the site "Molecular Lab

From March 3 to 9 takes place throughout Italy, The eighteenth edition of Scientific Culture Week.
An Initiative of the Ministry of Education (Ministry of University and Research) that aims to promote the dissemination of technical-scientifica.Scopo of Scientific and Technological Culture Week is to mobilize all the skills and energies of the country to promote more widespread distribution of a solid and critical technical and scientific culture. In particular, the Week promotes the "opening of effective channels of communication and exchange between the" universe of civil society (which sees the world in the first row of the school), on one hand, and "articulated set of the research system (universities, public and private research institutions, museums, corporations, associations, etc..), from "altro.Si is a task of crucial importance, not only because it contributes to the cultural growth of the country, but also because it is a precondition for the full exercise of democratic rights of citizens, who are called to make more and more choices (environment, genetics, energy, etc.). that to be truly independent and accountable, require a solid scientific knowledge of basic act.The weeks is also the instrument for testing and promoting the "ambitious project developed and supported by the MIUR to create a national system of permanent institutions (museums, shopping and city of science and technology, universities, academies, etc..) engaged in the task of ensuring citizens with a "technical and scientific information updated and certified, while providing the technical and scientific heritage which is rich in our Paese.Questo is a key point that can go right to the credit of the Week. At universities, industries, institutions public and private, etc.. There are specialized laboratories and museums that can show our young people the "scientific research activities in our country, yesterday and today. Young people will be able to directly observe the tools, experience and research and meet researchers.
result can be a valuable experience for young people, even decisive in view of future choices, a guidance to a specific address, study and lavoro.La Scientific and Technological Culture Week aims in a particular way to facilitate the participation of schoolchildren to the planned initiatives. In fact, it is mainly young people who can be entrusted with the hopes of a radical renewal of a fruitful and enriching the cultural basis of our country. For this reason, the Weeks are promoted in the spring, when there is maximum mobility scuola.L "national initiative of Weeks (who has offered the model to the European Scientific Culture Week, sponsored by the EEC in 1993 on the initiative of European Commissioner for Research, Antonio Ruberti) uses the decisive contribution of numerous public and private construction put in many hundreds of events annually offered to the public and of "encouragement, support and coordination at local and regional level, guaranteed by the regions, municipalities and the provincial and the supervisors.
More in the Events section of the Site What it offers: - Conferences and seminars on topics of history of science and technology, current scientific thinking on the fundamentals of science and ethical-political implications of scientific and technological initiatives Guidance on the role of the media for the dissemination of technical-scientific methods to ensure the update permanent teachers and to increase and qualify the level of technical and scientific culture in schools; thoughts and experiments on the role and ever-expanding fields of application of new technologies (for the protection of cultural heritage, for education and training for the health and recovery of "disability, etc..) events designed to explore the theme of the relationship between diffusion of technical-scientific and increase employment opportunities for young people .- Shows, movies, conferences, teleconferences , computer forum, etc.., on issues of scientific and technical disclosure, even in historical perspective .- Presentation of new projects, exhibitions, services (special openings, tours tours, etc.). or educational packets at science museums (technical, scientific, natural, medical and ethno-anthropological, historical plant, etc..), botanical gardens and parks, schools and institutions of all levels who possess scientific laboratories of "historical and educational .-" open laboratories "at the research universities, research organizations and public and private companies engaged in" innovation .- Refresher courses for teachers on topics of frontier research science and technology .- tourism program for scientific and technical schools of all levels, initiatives and events in the field of culture and "environmental education .- Shows, theater, music and multimedia in the field of visual arts and "minor" in "field of arts-science relations, history, science and society and science, on" images of science and technology "(under" art, literature, history, etc. .) and, in general, on issues .- E interdisciplinary event or any other form of communication suggested by proponents of creativity, as long as effective as a function of "objective of spreading a serious technical-scientific basis.

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the Curlew's Nest and the ear of Lycaon

In their sketch comedy, Aldo Giovanni & Giacomo often cite animals, paired with unlikely situations. There is a famous climb in the mountains, where the poor Aldo, while John encounters protrusions and recesses of each animal kind, wonders whether to Piero Angela desperate to climb to the summit unscathed.

We list the various animals mentioned in this sketch, for the curiosity of those who wondered what the wild dog or the curlew.

socket Gnu .

The Gnu is an African cattle herd famous for Migration who performs throughout the year to find fresh grass on which it feeds. During these shifts the herd to cross the river Serengeti, where many specimens are often killed by crocodiles or killed in the crush for the rush to pass this dangerous step. After the great migration come to light several small, outweigh the losses suffered.

The vertebra Skunk

The Skunk (not Molfetta) is nothing than the common skunk.

Carnivora, belonging to the order of mustelids, including for example, the weasel, marten and mink, is famous for the unpleasant odor emanating from a perianal gland. This gland is found in many mammals and serves to mark the territory, but the skunk has the function to withdrew predators.

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The African wild dog is a canine that recalls certain characteristics in hyenas . He has big ears, long legs and the end of tail, to be recognized during the chase by the other comrades. It 's a very social animal and cooperative, which lives in herds by dividing tasks and resources in a balanced manner.

The African wild dogs feeding on Wildebeest and other African animals and do not have a permanent hunting territory.

Curlew's Nest

The Curlew is a European bird marsh, which feeds on small worms and crabs with long legs walking in the mud. This wading bird with long beak not nest in Italy, although in winter specimens can be found parked in estuaries.

There are no particular differences between male and female, if not slightly different dimension. The curlew sings both in the breeding season in winter, producing a sound similar to its name. It nests in hollows that fill with leaves, to accommodate the eggs.

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was born March 3, 1847 Alexander Bell invented

Who today opened the Google page, would be a small drawing of a man talking on the phone. He is

Alexander Bell, the man who until recently was officially regarded as the inventor of the telephone, at least outside of Italy (and many still consider it).

early because the good Meucci, who in 1871 filed a "teletrofono" could pay for a patent only temporary, renewed until 1873. Its scarce finances prevented him from the paternity of the invention of acquisition and Bell appeared in 1876 (and patented) its version of the phone, officially becoming the creator.

Meucci tried to sue him, but without success, again because of its meager financial resources.

The debate about who was the real author of the telephone continued for over a century, but in 2002 the U.S. Congress officially ended the story by attributing the authorship to Meucci.

Bell should be remembered, however, because both came independently to the phone (which also invented a system trying to communicate with the deaf wife) and for the numerous inventions of which is the architect.

Bell invented the metal detector, he worked on optical fiber precursor, filed several patents on the telegraph, airplanes and high-speed, created the conditions for storing data on magnetic media, built the forerunner of the air conditioner, made experiments on composting of waste, suggested the use of solar panels to heat their homes. In 1888 he was one of the founders of the famous National Geographic Society, which was the second president.

In his honor, finally, remember the Bel (B), the unit was invented by Bell Laboratories to measure the intensity of sound, which is derived from the familiar decibel (dB).

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If I add sugar to the coffee cools faster? Why

Some 'time ago I was asked this question. Someone argued that adding sugar to coffee vending machines, beverage to cool faster.

To answer your question, pull ball in the 2nd law of thermodynamics and take into consideration the coffee-sugar.

Coffee has a temperature close to boiling water, its main component.

sugar instead is delivered to almost room temperature.

The system tends to reach a temperature equilibrium, whereby the first component, the coffee will tend to cool, while the second, the sugar will tend to heat up.

The temperature difference between the two quantities and items are so marked, however, that the sugar in a hurry to reach the solubility and melt in a few seconds, while coffee will cool down in an imperceptible way.

The result is that coffee does not cool down in practice, if not a minor.

The belief that the coffee cools date is probably the fact that in order to melt sugar many times you turn the coffee. This makes the drink more time to remain in contact with the surface of the glass, but most of the spoon air, compared to a bitter coffee, which is usually drunk in less time.

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TV in the wheels of cars at a certain speed run in reverse? Immortalized

You will have often seen on television, in commercials or programs of electric motors, and speed the wheels of the cars seem to run counter to the run, tires car racing resumed even under braking, turning in the opposite direction and then at some point, slow down, turn in the right direction.
If you've wondered why this happens, here's the answer.

What you see is just an optical illusion.

first start by saying that our brain recognizes a moving image when it is put in sequence at least 10 frames per second. The movies are recorded at the cinema by combining 24 frames per second, on TV, however, between 50 and 160 frames per second.

If the speed of rotation of a wheel was identical to the speed with which the camera records the image, each frame would have turned the wheel a full turn and our brain seems to be motionless.

This does not happen at every frame and the camera records the rotation of the spins of a number of degrees.

When the car's speed increases, the speed of rotation increases. We shall turn the wheel forward until between one frame and the other has made this shift around its minor axis to 270 ° (3 / 4 turn)

To simplify we take as reference the hands of a clock: if the first frame of the tire of a point P ' Car is located at 12.00 and the second frame is at 12:44 or not, we will see him turn in a clockwise direction.

When, however, between one frame and the other is reached and exceeded the critical threshold of 270 °, the brain calculates the shortest move, then felt a shift in contrast to less than 90 °.

always taking as an example the clock, when the point P in the first frame of the tire is in second at 12.00 and 12:45 or more, the brain will ignore the shift time of 45 minutes, but it will perceive a shift of 15 minutes counterclockwise. We will then see the tire spin in reverse.

This is called "apparent motion"

To summarize, we see the wheels turn a car in the correct direction until a critical speed is reached, beyond which we will turn instead to the contrary. When the car slows down, for example to take a corner, we'll see the wheels turning on the contrary more and more slowly until, dropped below the critical speed, will return to run in the correct direction.

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a galaxy "invisible" Lunar eclipse tonight

The NASA Swift satellite has captured a galaxy that the human eye can not see. For the "what we see does not mean that there is"

fact

photos were taken in the ultraviolet, the field that the human eye can not perceive.

the M33, it has been called, is a galaxy that is part of the location of the Milky Way and the Andromeda galaxy. E 'distant 2.9 million miles from Earth, has a diameter of about 50 thousand light years and has a mass equal to one tenth of our galaxy.

The images, consisting of 34 frames taken in 11 hours of exposure, show a large amount of star formation and allow to perform studies would not have been possible.

For further information please consult the website of NASA http://www.nasa.gov/

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From "Il Corriere della Sera

will be an eclipse of the Moon of insomniacs, that of the night between Wednesday 20 and Thursday, February 21. Spectacular total eclipse, during which you can see the white disc of the full moon darken slowly swallowed by the shadow of the Earth.

As is the case for years, during major astronomical events, Corriere.it will connect with an Italian amateur telescope Union (IAU) to offer its readers the spectacle of the Red Moon, so that the color it usually takes our satellite as they rode in the shadows. The direct on Corriere.it will start in the early hours of Wednesday 21, about an hour and a half hours after midnight, when the Moon will enter in the shadows. But only after 02.42 at the time of first contact with the shadow, you can appreciate the obvious reduction of the lunar disk. The phase of totality, that is complete obscuration of the moon will last just under an hour, from 04 at 04.51. Then, until the early hours of the day, who will resist falling asleep can watch the gradual return of the condition of the full moon. To give a touch of originality to the problem, there is the apparent approach of the star Regulus (the brightest of the constellation Leo) to the lunar disc, a little 'shine the most distant planet Saturn. E 'expected to follow the event is the telescope of the observatory located UAI-Skylive Pedara, Etna. But, in case of bad local weather conditions, will come into operation other astronomical positions.

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discovered a new species of mammal

latest issue of "The Journal of Zoology "published an article on the discovery of a new species of elephant shrew or Sengis, called Rhynchocyon udzungwensis.

What is much less trivial than you might think, although it is now generally accepted that there are many animal species are still unknown, the discovery of a mammal it is rather difficult. Only among the insects, in fact, there are about 900,000 species of mammals against 4500, numbers that give an idea of \u200b\u200bthe different probabilities and to discover a new species in the two classes .

Also it is not just a shrew, but a shrew elephant, named for the trunk of which is equipped. The special feature is its taxonomic status, or in simple words, its position in the family tree of mammals. The Sengis fact belongs to the superorder Afrotheria, which also includes Proboscidea, the elephants that his trunk is therefore not a simple analogy, but it is a sign of kinship with large pachyderms.

Compared to a common shrew, around 7 cm long and weighing 12 g, Sengis this is a giant: it measures 30 cm in length and weighs around 700 g. He lives in the forests of Tanzania and like other shrews feed on insects.

Lastly that the discovery was made, among others, by an Italian, Francesco Rovero of the Trento Museum of Natural Science.

For info:

http://www.blackwell-synergy.com/doi/abs/10.1111/j.1469-7998.2007.00363.x

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The Hubble Space Telescope


Surfing the net I came across this beautiful image of the galaxy M104 and I took the opportunity to start in February with a nice post on the space telescope.

Hubble is 13.2 m long, heavy 11 tons, has a diameter of 4.2 m and is placed in orbit around the Earth at a height of 600 km, beyond the atmosphere. Its location allows to get sharp images, high resolution, without the distortion typical of the atmosphere requires telescopes on the ground. It 'was launched in 1990 as a joint project between NASA and ESA, the European Space Agency. According to Hubble's original plans every three years would have to return to Earth for a review, but the fear of physical damage they did abandon this path and you opted for direct intervention in orbit. The first images that came to us in '90 shocker .. they were horrible! It was understood later that it was hastily assembled to a mirror or error built without taking into account the refraction of light in vacuum, except that air rather than the right one was left on the ground. At first the maintenance of optical Hubble was correct and the desired quality finally restored. In 2007, Hubble has been idle for a failure, but glancing at the official site seems to have returned to full efficiency. In September 2008, will be the subject of further maintenance, which will affect gyros, batteries, in fact the heart of the telescope.
Hubble telescope is not a simple, but incorporates different instruments: two spettografi, an infrared camera, one for the faint objects and others over the years have been replaced or upgraded.

Hubble in fact proved that there are planets around other stars in the universe, has witnessed the collision of Comet Shoemaker-Levy 9 and Jupiter, and gave receipts on current theories of universe expansion and holes blacks.

This observer space will not be alone for much longer: in 2013 it is expected the launch of the Webb telescope will have a greater capacity most powerful infrared survey will be placed in orbit at 1.5 million km from Earth in the direction away from the Sun

the images and other info can be found at:

http://hubblesite.org/

Good Vision

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50 years of Lego

Lego turns 50!

A tribute to these blocks is a must, because they have represented, at least for me, the game is ideal given the opportunity to create at will any form that imagination suggested to me.
From the city to the Lego Technic, over the years I have moved away from the instructions and drawings made to build every thing I could think of, using the countless number of pieces that, after many years, I still have a

chest of drawers, like many others of my age ...
Now you can see on the shelves of all, the technology is becoming an integral part of these elements, though there is a tendency to decrease the parts to be assembled to facilitate and speed up the creation of the finished model.
However, these bricks, originally made of wood and plastic in 1958, up to Christmas will be celebrated with exhibitions and events. In Italy, the exhibition is the first toy Zagarolo, where there will be everything from models of F1 to the reproduction of the Cathedral of Lecco.

Happy Birthday Lego!

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A ferrari in biofuel

incredible eco-Ferrari here at the GT biofuel
Here at last something really made in Italy that will glisten the eyes of visitors to the NAIAS 2008 in Detroit. The 430 Scuderia and 599 GTB Fiorano, as well as a prototype technology using biofuel made on the basis of the F430 Spider. All this, for those who had not understood, signed Ferrari. Moreover, the House of the horse's interest to do well overseas, given the trend of sales in new markets such as Asia, the Pacific and the Middle East, which registered significant growth rates, respectively, at around 50% and 32%. Given the particular sensitivity to alternative energy sources in North America, the construction of an engine powered by biofuel E85 is part of the research and development announced during the Technological Innovation Conference held at Maranello last June, part of the celebration sixty years of the company.
On that occasion, Ferrari introduced a number of projects aimed at improving efficiency in the vehicle system as a whole, to continue to reduce energy consumption and pollutant emissions and to achieve the target of cutting by 40% by 2012. Ferrari F430 Spider Biofuel made the so, using a mixture of 85% ethanol, using experience gained in the use of biofuels also thanks to the applications they have in competition. In Formula 1's technical regulations requiring gasoline with a content of components derived from biological sources equal to 5.75%, while the FIA \u200b\u200bGT and American Le Mans Series (ALMS), both dominated by F430 GT2 in 2007, use fuels with 10% ethanol. Even in the next A1GP Championship, which will be the supplier of the Ferrari V8 powertrain, E10 biofuels will be used. The competitions were then once again demonstrated an excellent laboratory for testing solutions that will be valid if applied to the production. To demonstrate the effectiveness of the continuous transfer of technology from the track to the road, today all the cars of the Prancing Horse can use up to 10% ethanol without any modification. With this veritable "technology demonstrator" Ferrari has demonstrated the ability to propose technical solutions to meet any requests from from the market without losing the distinctive characteristics of sportiness, performance and driving pleasure that makes you to enjoy all the cars produced at Maranello. To use the E85, have made changes to the mains and especially to the engine control unit. The latter, properly developed, would make the engine compatible for the use of two fuels (Flex Fuel), however at the same compression ratio. But on the stand there will also be the 430 Scuderia, Ferrari's new sedan with a strong sport in Avio Met livery with Grey Alcantara interiors. In addition to these the 599 GTB Fiorano, offered in conjunction with a Rosso Corsa exterior and interior Charcoal. Both cars adopt carbon-ceramic Brembo brakes, standard on the entire range of Prancing Horse.