What Is The Red Pin British Are Wearing

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Galileo Galilei

1.-open to all students interested in gaining extra points for qualification in SCIENCE II
2.-The theme is "Galileo Galilei"
3.-The present work should be at least 20 power point slides with the following characteristics:

• Title Brief biography
• European discoveries and brief explanation
• most important contributions
• currently Importance
• Issues contributions Bibliography consulted Galileo

4 .- The work will be sent to the email: ciencias2b568@hotmail.com under pseudonym.
5 .- The 5 best works will be uploaded to this blog for a vote. 6.-E ltrabajo
received the most votes wins.
7.-The decision will be final.
8.-Deadline January 15, 2011.
9.-Dates to be voted on January 17 to February 7, 2011.
10.-Publication of the winners: 1 st, 2 nd and 3 rd place February 21, 2011

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Santa Claus as the Mexican Revolution Summary

Is Santa Claus? Given that kids today are not satisfied with anything, so you can give a scientific answer, or lying as usual, but knowing what they hide. Here are the results of recent scientific study:

traditional physics

1. No known species of reindeer can fly. However, there are 300,000 species of living organisms yet to be classified, and while most of these are insects and germs, you can not completely rule out the possible existence including flying reindeer which only Santa has ever seen.

2. There are about 2,000 million children in the world (considering only persons under 18 years). But since Santa does not seem to deal with the Muslim, Hindu, Jewish and Buddhist, the figure drops to 15% of the total (about 378 million according to Population Reference Bureau). According to these statistics, we can calculate an average of 3.5 children per household, so we're talking about 91.8 million homes (assuming that each of them, at least one child who has done well) .

3. Santa Claus has 31 hours of Christmas to work, thanks to the different time zones and the rotation of the Earth (assuming he travels east to west, which seems logical). This means 822.6 visits per second. In other words, for each Christian household with good children, Santa Claus is 1 thousandth of a second to park, get out the sled down the chimney, fill the stockings, distribute the remaining presents under the tree, eat whatever snacks have been left, get back up the chimney, climb into the sleigh and move to the next house.

Assuming that each of these 91.8 million stops are evenly distributed over the surface of the Earth (which is false, but it can be an approximation for the calculations), there are 1.2 km per household. This gives a total distance of l l0 million miles, not counting stops and needed to do what each of us would do at least once in 31 hours. It follows that Santa Claus sled moves at about 1,000 km / s , 3,000 times the speed of sound. As comparison, man-made vehicle to achieve higher speed, the Ulysses space probe, moves at a paltry 43 km / s. A conventional reindeer can run at a top speed of 24 km / h.

4. The payload of the sleigh adds another interesting element. Assuming that each child only Tente carries a medium-sized (0.9 kg), sled carries some 321,300 tons , not counting Santa, who is always described as quite plump. On land, conventional reindeer can not carry more than 150 kg.

5. 5,353,000 tons traveling at 1,000 km / s creates a huge drag, which will cause a warming of similar reindeer who suffers a spacecraft on re-entry into Earth's atmosphere. The pair of reindeer will absorb head 1 trillion joules of energy per second each. In short, caught fire and consumed almost instantaneously, exposing the posterior pair of reindeer. It also will originate a deafening sound waves in this process. EI full reindeer shot is vaporized within 4.26 thousandths of a second. Santa Claus, meanwhile, will undergo centrifugal forces 17,500.06 times greater than those of gravity. Santa Claus weighed 120 kg (which is even too thin), be crushed against the back of the sled with a force of more than 2 million kg .
Therefore, if there ever was Santa Claus and brought gifts to children at Christmas, is now dead.

Quantum Physics

If the above answer a child when we ask for the existence of Santa Claus (or it appears by itself), the child can be a tremendous disappointment. Fortunately, there is a contraexplicación that can be very useful in this case the above analysis, based on laws of classical physics, has a major flaw because it does not consider the phenomena quantum, which are quite significant in this particular case. As indicated, it is known with extreme precision reindeer terminal velocity of dry air through December on the northern hemisphere (for example). Likewise, it is known with tremendous precision the mass of Santa Claus and his sleigh (since we know the number of children, gifts and reindeer just before the flight). With regard to the management and direction of flight, this is mainly from east to west. All this means that you can determine with excellent precision of the angular momentum vector of Santa Claus and his cargo.

Simply apply the Heisenberg uncertainty principle to find that the position of Santa Claus, Christmas Eve at any time, is extremely vague. In other words, is "dithering" on the surface of the Earth, similar to a certain distance from the nucleus of the atom. Therefore, can literally be found everywhere at any given time.

Finally, the relativistic velocities which can get reindeer for short periods of time make it possible, in some cases even some places a bit before leaving the North Pole. Santa Claus, in other words, assumes for brief periods of time Tachiona features. We agree that the existence of Tachiona not yet proven and is speculative, but so do black holes, and no one doubts its existence. It is therefore quite possible that Santa Claus exists and distribute all the presents on Christmas Eve.
So just in case, you have to behave.

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New iphone 4

Broadly speaking, the iPhone 4 brings interesting new features and improvements as a tough 3.5 inch screen and resolution of 960 x 640 pixels to which Apple has dubbed Retinal Display as has a pixel density beyond the capacity of the human eye (326 dpi).

Entering the features iPhone 4, the first thing to note is your processor, since Apple has given the iPhone 4 in the same chip that includes the IPAD (Apple A4). If we keep hanging around inside the iPhone 4 offers a whole array of components the incorporation of a gyroscope , which added to its accelerometer, allows greater accuracy when detecting motion. IPhone

4, design and new

Apple changes the look and feel of the iPhone 4 and opinions do not go unnoticed. Some think that the iPhone 4 has given a positive spin on the design, while others (including me) think that by looking at the new iPhone seem to be seeing a Nokia phone.

iPhone 4 Battery: The battery in the iPhone 4 is another key point in the remodeling of the iPhone. According to Apple unveils the new iPhone 4 is capable of giving an autonomy of 10 hours watching videos or wireless navigation and 6 hours in 3G mode. At this point, note that A4 processor can save up to 40% of the power terminal. The downside is that it will continue to charge the battery every 2 days and that's not much the consumer likes.

display iPhone 4: If there is a point that really stands out in the iPhone is its screen 4. Apple has called Retinal Display and the name comes from a specific feature: it has a 326ppp density, ie higher density of pixels of the human retina can perceive. This screen is 3.5 inches and has a resolution of 960 x 640 pixels.
talked about a resolution 4 times greater than that of the iPhone 3G and 78% of the resolution of the iPad. IPhone screen 4 is based on IPS technology, so see the iPhone 4 from an angle not straight, do not have to be a problem. Camera

iPhone 4: Entering the field of multimedia, the iPhone 4 itself which improves on this with respect to the iPhone 3G. The first thing we find is a 5 megapixel camera with video recording capability in high definition at 720p.

Apple has chosen a backlit sensor iPhone 4. Thanks to him, the quality of the photos in low light scenarios is much higher. In addition, the iPhone has Flash 4 LED and capacity to record HD video at 720p and 30fps. To finish shaping the iPhone 4 and its multimedia function, Apple has created iMovie for iPhone, an application that lets you edit video from the iPhone with transitions, effects, titles.

The price iMovie for iPhone is 4 euros and is not known yet whether iPhone will only work on 4 or even in previous models. Gyroscope

: A new sensor comes with the iPhone 4. We speak of a gyroscope that completes the accelerometer and digital compass to point movements and more references, for now the iPhone 4 has 6 axes of reference. Facetime

: Facetime is the application that experts make video calls with the iPhone. It is now possible to make such connections, but unfortunately is limited to the wireless and only 4 to iPhone iPhone 4.