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Standards Association video electronics (VESA) has just officially launched Embedded DisplayPort (EDP) version 1.4. This new version features integration help save power consumption of the system, support multi-touch data transmission through the images and can be applied to many different products such as smartphones, tablet, laptop. To consume less energy, EDP v1.4 has been upgraded technology Panel Self Refresh (PSR, first appeared on v1.3) with refresh mode only the necessary pixels, lower power use low, compression of data transmitted and combined with the ability to control the local backlight.   VESA added that the supplementary (auxiliary channel) data can now bring multi-touch screen to the processor without the need for separate wiring, thus saving space for equipment. Thanks to the two-way transmission of DisplayPort (EDP is built based on this standard), and the system using EDP v1.4 will become more flexible and can incorporate a variety of features in a simple structure chemical. Technical details of the EDP v1.4 last being evaluated by members of VESA and it will be widely published in the following month. EDP ​​is expected to be available on the commercial product as early as 2014.   EDP ​​was first introduced in 2009 as an extension to the original DisplayPort standard with the aim of replacing standard data display LVDS (Low-Voltage Differential Signaling) is becoming old. EDP ​​is mainly used for the connection (eg from the graphics card to the laptop screen) and not to export photos from computer to screen left. By 2010, two members of VESA is AMD and Intel announced that they will stop supporting LVDS in generation chipset in 2013. LVDS power has limitations such as high activity, not rich features such as EDP, accounting for more space and more likely to cause a conflict with the wireless functionality of the system. However, now many laptops still use LVDS signaling to the screen, only a small number of machines (such as Apple’s MacBook line, Asus ZenBook, Dell Alienware M71x R4, …) is used EDP standard due to integration costs are still relatively high.   PSR Technology on EDP v1.3 and v1.4 allows graphics processor switches to power saving mode in the process of updating the frame by store temporary data on a small memory (framebuffer ) integrated in the controller’s screen panels. According to Engadget …

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Search suggestions are a nice feature of Google, to help users save time entering the query content. However, it is the cause of the U.S. search company to court for “daring” proposed former first lady German with … prostitution. Bettina Wulff, wife of former German President Christian Wulff, was not happy to see his name appear with phrases like “sex” (prostituierte in German) or “red light” (rotlicht). This comes from a number of rumors about her life Bettina before becoming first lady. The above information has been denied by her.   Ms. Bettina claim has been submitted to the regional court Hamburg. This is not the first time Google sued for the search suggestion feature in Europe. In January this year, the French court fined Google $ 65,000 and forced the company to remove the search results including assign the Lyonnaise de Garantie bank name to phrases like “fraud” and “deception”. In addition, the Japanese court in March also require U.S. firms looking to adjust the search algorithm suggested in this country, after a man claimed that his name was assigned to the crime not true. It is clear that Google needs to be more careful with his services, if you do not want to continue to lose money because of incidents like this.   Source: The Verge …

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HTC Desire V is a special Android phone, it’s different from most other Android phones, because there are two sim slots and supports two phone numbers online at the same time. When it comes to 2 sim 2 waves, people will think of the cheap popular phones, usually coming from China. Desire V is one of the few smartphones 2 sim 2 waves, and because of the “smart phone” so the original price of it also outperformed the 2 other normal sim, current prices listed in the agent is 8.59 million VND.   With this product, the HTC want to hit a narrow customer segment with the actual needs of a smart phone 2 sim 2 waves online at the same time, the smartphone option rather than other ordinary phone because can do more. Therefore can not be compared Desire V with the same price range Android phone, the reason the phone does not have two sim. If you feel Desire V nothing attractive is normal because it’s simply not for you. This article will look at ways 2 sim 2 waves, so if you do not have your needs and look forward to receive the full content. Now, let’s begin.     Specifications: Network: Sim 1: GSM 850/900/1800/1900 3G: HSDPA 900/2100 Sim 2: GSM 900/1800/1900 – only 2.5G (EDGE) Display: 4 “480 x 800 resolution (233 ppi) CPU: Qualcomm MSM7227A Snapdragon Cortex-A5, clocked at 1GHz GPU: Adreno 200 RAM: 512MB, Memory: 4GB (1GB for users to install software) Support microSD card and free gift 25GB Dropbox for two years OS: Android 4.0, Sense UI 4.0 interface Camera: 5 megapixel with LED flash, VGA video recording Connectivity: Bluetooth 4.0, WiFi b / g / n, 3.5 mm jack, microUSB There FM Beats Audio sound system Dimensions: 118.5 x 62.3 x 9.3 mm Weight: 114 g Battery: Li-ion 1650 mAh, removable Design   Desire V is sleek, compact and very last hand. The design of the machine makes it not too big, even when using the screen size to 4-inch. At first glance, the design is somewhat at odds with his chin up a bit, make yourself remember the old man character Carl Fredrickson in Pixar’s Up movie. However, holding and using a time they can see the convenience of this design. We can clearly see the three main classes are: black screen at the top, metal frame around the screen is sturdy scratch-milling silver and finally the lid back cover 2 above. The slot graft damage good and sharp, fit together.       White casing with polycarbonate material makes the Desire V has certain features in common with other members of the family HTC One X, the company’s most advanced machine to date. Except for the HTC decorate a piece of metal on the back with plastic orange border around to look pretty cheesy. If HTC makes a better camera is on the back of the area more beautiful Desire V, this is the worst area of ​​the machine. Pieces of metal so that the concentric circles is quite nice, but it’s not to do with the surroundings. Fortunately Desire V has two color options: black or white. You should choose black, it’s a lot nicer. Camera 5 megapixel resolution with LED flash. Its drawback is filmed only a VGA resolution of 800 x 480 pixels only (camera details will be discussed a little later).     9.3 mm thin and weighs only 114 g, Desire V on hand very comfortably, leaving the pocket too, compact and no rice, no discomfort. Design rounded corners and curved beveled edges of the back cover to help hold the camera operation is easy. Compact entered in the palm of the hand, holding hands without being bitten. The layout of the keys on this phone is also very scientific. I like especially the Power key position because the overall design is holding up, press the power to open the screen or off the screen very easy and accurate. Two keys to increase or decrease the volume also fit the finger. 4 front touch keys are located in the black frame around the screen, thanks to the metal rim that this area looked rough support, the overall design looks very harmonious.     Screen   The screen is also a strong point of this phone. Specs, Desire V with 4-inch screen, 480 x 800 resolution. HTC did not say they use technology, but practical experience shows that this screen displays fine, beautiful colors and a wide viewing angle. Reach the sun well enough so that you can use comfortably. Although the resolution is not too high, but the pixel density at 233 ppi, the image and information displays smooth, pitted or broken lines. More likely to use HTC Super LCD panel on this product. Compare with other phones like: Xperia U (280 ppi), Galaxy W (252 ppi) or HTC One V (252 ppi).     Camera   If you like taking photos on your phone, do not use Desire V. Back of the camera has a resolution of 5 megapixels with LED flash for image quality is quite poor, not more. Images taken out often turn slightly blue and pans. Here are the screenshots of Desire V, they have performed in a picnic. Shooting conditions under sunny sky, bright enough, but the image quality is also acceptable. The functions of the camera, as well as fully as other HTC phones, you can also just record video and take pictures, there are many shooting modes to choose from. Shutter speed is not high, usually takes about 1 second to focus back to the 2nd sheet, this is probably due to the high profile also affected part. Video recording at up to VGA resolution 800 x 480, okay.      Galleria.loadTheme (‘/ js / Tinhte / Galleria / themes / folio / galleria.folio.min.js’); $ (“# Galleria_1022880429”). Galleria ({ imageCrop: false, maxScaleRatio: 1, preload: 3, fullscreenTransition: ‘fade’ });             Galleria.run (‘# galleria_1022880429’);   Video recording test of Desire V Battery life   HTC Desire V owns 1650 mAh Li-ion batteries for the time works pretty well. Although 2 sim online but normal use is also more than one day, about one and a half days. Not a bad result, their use during the used 1 main sim with about 10 phone calls per day, sim 2 is about 4 -5, 3G sim 1 out continuously with Gmail, occasional web surfing and browse facebook. During use, always adjust the screen mode automatically adjusts screen brightness. Pretty good for a phone 2 sim.     Operability   Desire V is equipped with Qualcomm MSM7227A processor Snapdragon Cortex-A5, clocked at 1GHz with Adreno 200 GPU and 512MB RAM. Low profile compared to the recent phones, this is quite easy to understand when the machine is put in the midrange segment not high. The use moderate profile also help reduce the cost of the machine (however genuine price is a bit high?!). Strengths is that it pre-loaded Android 4.0, with this configuration, perhaps HTC wants to prove that low profile is still ice cream.   MSM7227A chip is attached to the S1, Qualcomm introduced in November 2011, the single-core ARMv7 architecture and nuclear Cortex-A5. S1 chips mainly for mid-range priced equipment to the maximum cost reduction while maintaining good performance with 1Ghz clock and Adreno 200 graphics. The typical use of this SoC products: Nokia Lumia 610, Samsung Galaxy Mini, Acer Liquid Glow, LG Optimus L7, Motorola Defy XT, Samsung Galaxy Ace Plus, Samsung Galaxy S Duos, Samsung Omnia M, and most recently Sony Xperia J. (Refer to: Snapdragon Wiki)   Using the fact that the performance of Desire V is acceptable, it is not quick whiz whiz as One X but not too slow. Time to start a software takes about 1 – 2 seconds, then the normal user, the time to switch between the software, you also need to wait a bit. Advice is that you should not install too much software on the phone, no matter what, it also has moderate configuration so use the software one is the best selection. Ram free around 200MB if you use normal, it is enough to not lag.   Experience shows that Sense UI is also a slow agent, so you can choose we another lancher to use, such as Apex Launcher Pro. If possible, you should root and delete the unnecessary software that HTC has built. After you do a few steps to optimize the machine has run more gently, feeling much more comfortable. Can use more ES Task Manager to shut down the software runs in the background.      Galleria.loadTheme (‘/ js / Tinhte / Galleria / themes / folio / galleria.folio.min.js’); $ (“# Galleria_543077347”). Galleria ({ imageCrop: false, maxScaleRatio: 1, preload: 3, fullscreenTransition: ‘fade’ });             Galleria.run (‘# galleria_543077347’);     2 sim 2 waves   Finally, the most important part of the machine: function 2 sim 2 waves. First to say always: 2 sim 2 waves online at the same time offline. There is a bit different when one sim the other sim call will be disconnected, but this probably does not affect your usage habits because no one on the phone at 1 to hear more of your phone in unit 2 at a time. As soon as the call ends, the other sim will be online immediately, almost no latency.   When calling, you have two call keys with the name of each sim and sim prefer to call to call. With sms too, also have 2 separate keys send for you to choose. If sms to the number of sim, the sim’s name will be underlined. HTC SIM Manager is quite simple, and does not have many functions. You can activate or not activate the sim from this manager. Default sim 1 sim 2 is the name of the sim slot and you can name for ease of management discretion.     Desire V is the first two sim handset by HTC, therefore it exists quite a lot of weaknesses need to change. 1 sim fault first wave or lost, during the test, I frequently encounter this situation, online reference, also see the same people. Unknown hardware or software fault.   2nd point is not the fault characteristic, which is the only one with 3G sim and sim 2, only 2.5G (EDGE). But can only choose 1 of 2 sim for internet connection. Therefore sim 1 will be given priority in this regard. If you like, you can also adjust the sim 2 internet connections, but as mentioned above it only has EDGE only, and if you use two sim on the internet, in the process of surfing the web or download email, sim first wave will take . It also does not modify the APN for the network that it automatically recognizes parameters. In fact, to use the 1 sim 3G online is saving enough. If you are on the internet by sim 1, sim 2 waves still send and receive calls normally.      Galleria.loadTheme (‘/ js / Tinhte / Galleria / themes / folio / galleria.folio.min.js’); $ (“# Galleria_387398335”). Galleria ({ imageCrop: false, maxScaleRatio: 1, preload: 3, fullscreenTransition: ‘fade’ });             Galleria.run (‘# galleria_387398335’);     Conclusion   Desire V will not appeal to you if you do not have the need for one smartphone 2 sim 2 waves. Therefore with price 8tr6, HTC are targeting a very narrow customer segment. Maybe they want the product to fill the different segments rather than to run sales in this market. Anyway, two sim has a charm that you can take advantage of to use one sim with 1 sim 3G with more capacity, high speed and low cost. Desire V is also better if the phone 2 sim smartphone.   Strengths: 2 sim 2 waves online at the same time with hearing function call, sms convenient Beautiful design, make sure Beautiful screen Long battery life Android 4.0 and Beats Audio Weaknesses: Main configuration Genuine prices Management software sim is not good Or lost in sim wave 1 Camera quality is not high …

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Lee Rozema (right) and his colleagues are preparing photon pairs in the troubled state (entangled photons) to study the disturbance of them after measurement Famous uncertainty principle of Werner Heisenberg was established in 1927 as one of the pillars of quantum mechanics and has been used a lot so far. In the most basic form of speech, the principle says that it is impossible to measure any one thing that does not disturb it, for example, measure the position will affect the speed and vice versa with uncertainty is determined specific. Recently, researchers at the University of Toronto (University of Toronto, Canada) has proposed a general method to measure the accuracy and level of disturbance of any physical system. Interestingly their results show that Heisenberg’s uncertainty assessment is higher than the measurements they made in the laboratory. In other words, according to the research group, the Heisenberg relation is incorrect.   “The world is full of quantum uncertainty, but our study we did not have to add too much uncertainty as we often think of [as calculated by Heisenberg system],” Lee Rozema, who led the research Research says. has now been published in the prestigious journal Physical Review Letter, if this result is correct, its influence on quantum mechanics in general and the actual measurements related to quantum systems in particular will be extremely large.   Return innovative method of measuring that group, Lee Rozema said they had to design a device to measure the polarization of a photon (light quantum). What they need to do then is to determine the turbulence measured photon before and after measurements with this device are made. But how to measure the photon before using new equipment that least affect it? To overcome this difficulty, Rozema and colleagues used a technique called “weak measurement” (weak measurement) in which the impact of a measurement device are limited to the influence of the older subjects was not be realized. When the photon is sent to the instrumentation, the researchers “weak measurement” normal particles before measuring again later. Surprisingly, the results of comparing the measurements showed that the disturbance caused by the measurement is less than the value required by the uncertainty relation.   “When one is just give us a little information about the disturbance, but by repeating the experiment many times we have been able to get the best picture of the level of disturbance of photons,” Rozema said .   Schematic presentation of the general method to measure the accuracy and level of disturbance of any system: The system is weak measurement before you send them to normal instrumentation Known, before a number of scientists have put in doubt the validity of the uncertainty principle. In 2003, the Japanese physicist Masanao Ozawa for that Heisenberg principle can not be applied properly in the measurements and he proposed an indirect method of testing this. Following this work, in 2010, two other scientists at Griffith University in, Austin Lund and Howard Wiseman, has shown that weak measurements can be used to determine the characteristics of the measurement system quantum. However, due to measurements of two scientists propose the downside is that requires a small quantum computer, it is not possible at the present time. Based on the research that, Rozema’s team used a technique called “cluster state quantum computing” (roughly translated: cluster state quantum computing) to simplify quantum computer requires the permission weak measurements and allow for measurement of weak, very important element in the work of the group, in the laboratory at the present time.   Detailed interest you can download the article in the journal Physical Review Letter here (need an account), or on the stock documents Arxiv.org in here to read more about this project.   Heisenberg’s uncertainty relation is represented by the mathematical formula: In the above formula, σ_x is the standard deviation of the position, σ_p is the standard deviation of the momentum, and h is the reduced Planck constant. According to Wikipedia Source: Phys.org …

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