polular science
polular science
How does the phone know how much battery power is left?
In the era of smart phones, the batteries are not very powerful, so you must take a look before going out. If half of them are not enough, it is very likely that the phone will automatically shut down a few hours later and become a missing person. Therefore, the power function of mobile phones is extremely important. On the one hand, it provides us with power reminder, and on the other hand, it also plays a role in protecting the battery, because excessive discharge and overcharge are harmful to the battery. Mobile phone is
polular science
Why flash photography causes red eyes
When people take portraits at night, because the environment is too dark, in order to supplement the light, most people will choose to turn on flash photography. But after shooting, the figure is clear, but why does the pupil of the human eye turn into a horrible red? Remember that the wheel eye only exists in the second dimension. In fact, the pupil of a person, like the aperture of a camera, can be adjusted, but its size and response are shared by the sympathetic and parasympathetic nerves
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Science popularization: how transparent batteries are made
Yesterday @ Io Computer published the article "How far is a transparent smart phone from us?", which mentioned that Baochuang Technology Co., Ltd. has launched a prototype of a transparent smart phone. The whole prototype is almost a piece of transparent glass except for the switch, camera, Micro SD card, camera and battery. Baochuang has solved the problem of transparent mobile phone lines, but we
polular science
Tips for taking pictures at a micro distance
We often use macro photography, because macro photography can better show some details, have a good expression effect, and let people intuitively know the details and beauty of the object. This article is a small skill about macro photography. We often lose focus when shooting at a macro, especially when the background is complex. Check your phone first
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Graphite heat dissipation technology in rapidly cooling mobile phones
When mobile phones are frequently used or played games, the internal heat of mobile phones will become very serious, especially chips, batteries, etc. On the one hand, too high heat will cause discomfort when holding the phone, on the other hand, the performance of the phone may be affected, even restart or crash. Therefore, in order to let the heat of mobile phones dissipate more quickly, many mobile phone manufacturers will attach graphite fins to mobile phones, which is what we often say
polular science
About the phone ISO, aperture and shutter
In addition to discussing the beauty of photos, we also pay attention to the EXIF information of some photos when we take photos and share photos every day. Among them, we need to pay attention to several values, namely ISO, shutter and aperture. This article mainly talks about the relationship and mutual influence among the three. Aperture Aperture is used to control light passing through the lens and entering the light sensing surface inside the body
polular science
It is not a magic tool. Some small mistakes about IGZO
There was a rumor before that the iPad would use IGZO screen. IGZO technology could greatly reduce the power consumption of Apple's screen, so that the iPad could not be equipped with such a large capacity battery, reducing the weight and thickness. Seeing that IGZO brings so many benefits, some people begin to imagine that the iPhone will also use IGZO
polular science
Science popularization: What is sensitivity? And sharpness?
In the era of smart phones, the photo taking effect of mobile phones has become more and more similar to that of ordinary card machines. We often see the sharpness contrast of photos taken by mobile phones in some mobile phone evaluation articles. Sharpness, sometimes called "sharpness", is an indicator reflecting the sharpness of the image plane and the sharpness of the image edge. The sharpness of photos taken by mobile phone cameras varies with their sensitivity. Obviously, Canon
polular science
What format of video is suitable for playing on mobile phones?
A few years ago, when I was a student, I developed such a bad habit that I especially liked watching videos in the bed. At that time, I stayed at school and didn't like sports, so watching animation or movies became a very important entertainment project for me. I have always been immersed in the feeling of watching videos in bed, so I have spent a lot of time studying the MP4 player, because that
polular science
Analysis of iPhone screen water resistance
To judge whether the iPhone screen is the original screen, there was a saying on the Internet that the original screen would do special treatment on the surface and cover the surface of the glass with a coating, so the water drops on the original screen would stand up like the water drops on the lotus leaf, while the water drops on the non original screen might spread. Of course, the function of this coating is not to test
polular science
The birth background and technical principle of mobile phone dual card dual standby
Because of the special network system environment and the lack of real name system in China, dual card dual standby mobile phones have become a feature of the domestic communication industry. What about the technical principle of dual card dual standby mobile phones? Why do many big brands of mobile phones rarely have dual card dual standby products? Two SIM cards can be inserted into the dual standby phone at the same time, and it can be standby at the same time. The dual card dual standby in the market generally refers to the dual card dual standby in the same GSM network
polular science
What is the AKP explosion-proof membrane
Starting from Xperia X10 in 2010, almost all smartphones of Sony (Sony Ericsson) will be pre attached with explosion-proof membranes, and the newly released Xperia Z L36h is no exception. According to the product manager of Sony China, the price of this set of explosion-proof membrane is not cheap, almost equal to the price of a camera. So what is this explosion-proof membrane
polular science
What you don't know about HDR
Can you use HDR everyday? Do you know the effect of HDR? Do you think HDR can only work in backlight? Wrong, HDR still has a lot of functions. Today, the author will use Xiaomi 2 to make a simple demonstration to let you know more wonderful functions of HDR. Note: Because the HDR effect of different versions of different mobile phones is different, the author only uses a small
polular science
Common tips on mobile phone screen
In the era of smart phones, the screen has accounted for a large part of the mobile phone area. The quality of the screen will not only affect the display effect, but also greatly affect the endurance of the whole mobile phone. Therefore, screen manufacturers have to make great efforts in screen technology. We often hear many terms about mobile phone screens, However, these terms are only vaguely understood by ordinary users. Let's discuss
polular science
Different sound bone conduction earphone principle
When hearing their own voice from the recorder for the first time, many people feel uncomfortable. They think the voice in the recorder is particularly unpleasant, and even suspect that it is not their own voice. But people around them will nod their heads and say, "Yes, this is you.". Why can't you even recognize your own voice? This is because when we talk, part of the sound is transmitted to the auditory nerve through the bone, which is called bone conduction
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