How the phone works

In this article we will explain the basic physical principles of why and how phones work, these devices are featured in the 80s in the United States and that have revolutionized the communication system. Read carefully to find out how mobile works.

Steps to follow:

1. Each cell has a base station consisting of a tower and a small building containing radio equipment.

2. Each cell in an analog system uses one seventh of the existing voice channels. That is, one cell, plus six cells surrounding it in a hexagonal arrangement, each using one seventh of the existing channels so that each cell has a unique and non-collision frequency group:

3. Cellular service providers usually receive 832 radio frequencies for use in the city.

4. The phone uses two frequencies per call, so there are usually 395 voice channels per signal carrier. (The remaining 42 frequencies are used as control channels). Therefore, each cell has about 56 available voice channels.

5. The phone has a low power transmitter in it. Many phones have two signal strengths: 0.6 watts and 3.0 watts (as a comparison, most civil radio bands transmit at 4 watts). The central station also transmits at low power. Low-power transmitters have two advantages.

6. Transmission centers and phones in the same cell do not leave this one. Therefore, each cell can reuse the same 56 frequencies through the city.

7. The power consumption of mobile phones, which generally work with batteries, is relatively low. Low power means smaller battery.

8. Phone technology requires a large number of bases or stations in cities of various sizes. A big city can have hundreds of towers. Every city needs to have a central office that manages all telephone connections to conventional phones, and controls all stations in the region.

How to make a hairline according to the shape of the face

                                                                 Source: popsugar.com

Is it in the middle or next? This is one of the most common questions women ask when we think of changing the look and choosing the haircut or styling that suits us and by which we look much prettier. It is possible to clarify these doubts easily and choose the best option considering the face shape, because based on that we can comb the line in the place that best suits our facial features. Keep reading and discover in this article how to make hairline according to face shape. You will look amazing!

Round face
Women with round faces are characterized by the same width width, with prominent cheeks, which give sensation to facial fat. For this reason, the goal when choosing haircut or hair styling should try to improve facial features and set the face to look thinner.

In this way, a round face would be much preferable with a very close line that would arrange and soften facial features. Long edges, sides and ruffles are recommended, discarding otherwise the lines in the center and the straight parts that will highlight the surface of the face.

With a side line, you can wear haircuts and hair styles that help you stretch your face; Among the best choices are the lazy and long mane under the shoulders, the fashionable bob bob, the candied loose with the waves in the opposite direction from the hairline or the pigtail and the collected bottom.

If you also want to know what makeup tricks can make your face look thinner, do not miss the tip of the article. How to make round face.

Square face
Angelina Jolie or Keira Knightley is a famous woman who has a square face, this characteristic is a very sharp angular jaw, forehead wide enough and four straight angles completely.

In this case, it is best to choose pieces and hair styles that soften the facial features, with movement and volume at the top of the head to hide the hardness and shape of the chin angle. For this reason, it is also advisable to use the hairline sideways with long edges, but always try to make the forehead look balancing the face. Among the most appropriate hairstyles for a square face, the highlight is a mane with big waves, multi-layer pieces, asymmetrical long bobs, avoid options that stay on the top of the chin.

Find ways to improve and soften this type of face even more, by reading the How to create a square face article.
Source: alltimebest.co

Oval face
The oval face is considered a perfect face, and the width and length are fully provided. In particular, they can be distinguished by presenting slightly wider cheekbones, medium-sized forehead and thin jaw. All this means that women who have this shape can be brave with almost all haircuts, as most flatter.

You can choose either the line on the side or very cocked, like the line in the middle. The latter is great for oval faces, because by dividing it into two parts, women who have completely symmetrical and balanced faces are much better. Of course, in the case that the forehead is large, it is easier to reckon that the lines in the center will increase in size.

Although you have a great gift to be able to wear the haircut you like, if you want to find the clothes you want more attractive and tailored to the latest fashions, then do not miss the ones we proposed in Cortes article. hair for oval face.

Heart face
The heart or inverted triangle of the face is different from the others by presenting the high cheekbones and the upper uniform parts, tapered away in the area of ​​the chin, which looks a spiky shape.

The most suitable hairline for this type of face is the deep lateral line, which is closer to the ear than the center of the forehead. With that, it is possible to disguise the chin line and tip shape, as well as soften the facial features in general. To show off and see yourself well liked, there is an amazing choice combed with loose hair and with large or defined waves, to your taste. You can see how to wave hair in articles How to make waves in hair with iron or How to make waves in hair without heat.

Long face

Is your face elongated like Sarah Jessica Parker or Julia Roberts? This woman has a thin and thin face marked with a wide forehead, marked cheekbones and a very elongated chin. The goal is to try to really correct that length, paying more attention to the cheek area to achieve better balance.

Because the line in the middle gives greater roundness, this is undoubtedly the best option so the face does not look so elongated. Likewise, they feel a large haircut at the top of the chin, hair style with volume to the side, the waves and edges are abundant and thick.

How to change your appearance radically - tip for women

Display change can be a very useful tool in many situations. Some people choose it at certain times in their lives when they need to introduce changes that are reflected outside, or even manifest it internally that change has taken place and show it through physical appearance. It is also used to help overcome complicated situations and difficulties such as separation in a love relationship.

There are also people who think that changing the look of this type needs to be done at any time, especially if you work in public. There are various ways to achieve total change in appearance and therefore we must take into account the various aspects that can shape it, from hair styles to clothing.

How to Change Hairstyle
One of the most important aspects when it comes to changing the look radically is the hairstyle. Both the color and the way hair is cut can mean the total transformation of one's appearance. That is why it is recommended if you want a radical display change to go to a stylist or hairdresser who can recommend a very profitable and radical change.

Especially suggested in this case is to choose to change the hair tone. You can start with some light shades rather than natural natural tones, in the case of dark-haired or dark-haired people. If you have a tone that is too dark, you can think of switching to a lighter color, and if you have a very clear hair tone, you can choose to try brown or black, depending on the color of the face and the color of the skin.

In the case of a haircut, if you have long hair it is advisable to try a haircut that is quite striking and make a flatter hair style considering the face shape. If you already have short hair you can try cutting bangs or doing multilayered hairstyles, if both face and type of hair you allow. If you need some hints, other articles about what hairstyle I like can help you.

How to change how to dress
Another key to a change in appearance looks radically precisely introducing modifications in the closet. If you are accustomed to wearing dark or neutral colors, such as blacks, whites and grays, it is advisable to choose garments of more striking colors, such as red or electric blue, which can also be combined with the brightest colors. neutral

For that the only thing to dress in bright colors, a way to get a change of look will combine more neutral wardrobe closets, a bit more formal and conscious, to get a slimmer look.

Accessories
Completeness is also a very important part of achieving radical change of appearance. Shoes, handbags, hair accessories, jewelry ... This type of clothing is the key to making a difference.

Changing sneakers or low heeled boots from time to time with high or medium heels produces visual changes to a very important figure. Using a bag that is more elegant, with metallic ornaments also help give the impression of more fresh and younger. And if it is not unusual to wear any accessory on the hair it is advisable to choose to start wearing a fork with appliques or a headband.

How to change the way you wear makeup

To achieve radical change of appearance, you also have to take into account the way you wear makeup. If it's not a habit, it's a good time to start applying some cosmetics, as this will be a pretty noticeable change. It is recommended to start with makeup, light touch of blush or rouge and soft lip tones. If you also want to make your eyes, it is advisable to use 'eyeliner' to paint lines on both eyes and some touch of mascara to extend it slightly. If you do not usually create, we recommend this article on Tricks to create.

If you want to get a more striking touch it is advisable to add eye shadows, a more neutral tone if this is a daily makeup, and a more striking tone if for a special occasion, for dinner or a party.

You can also use lip tones that focus attention to the mouth, such as intense red or roses, but always take into account the tone of the skin.

What it is to have sex without a condom

Sex should always be kept safely, and one of the best contraceptives is a condom because it serves the dual function of preventing unwanted pregnancies and preventing infectious diseases or sexually transmitted infections. However, there are people who prefer not to use risking their health or because they have a stable partner with whom is sure that no risk is taken.

On many occasions, denial of condoms is given by the difference in enjoyment experienced compared to when not used during sexual acts. But how does it feel to have sex without a condom ?, we will explain it to you whether you are male or female.

One of the main reasons why many people refuse to use condoms in their sexual relations is because they say they feel unhappy. However, this is not always the case. In fact, there are many prophylactic brand surveys that have devoted themselves to analyzing this topic. The results vary.

And there are people who say they feel uncomfortable using condoms during their sexual encounters, while others say they do not notice the big difference and, for other couples, the experience is just as much fun. This is possible because the pleasure is more in the head than in the body of each.

Now, there are exceptions. Sometimes, especially in the case of women, they tend to enjoy more relaxed and relaxed by eliminating the fear of unwanted pregnancy or having gynecological problems due to the spread of sexually transmitted diseases.

Anyway, today, there are various kinds of condoms, which have been significantly improved to provide a better experience and it does not detract from pleasure. In fact, condoms tend to be thinner - without any reduction in this protection, to have stretch marks or dots and more lubricated so as not to notice the body fluid difference of the couple. Different lubricating and gel sensations have also been developed to increase heat or have more moisture sensations, etc. It's all about trying the most appropriate for each pair. In the following article, we show what types of condoms can be bought.

What do men feel when having sex without a condom?
The sensation that men feel when having sex without a condom can be different from that experienced by a woman. In men, in general, prophylaxis results in greater rejection. The main thing is to reduce the pleasure they feel when not directly related to the vagina or anus, in case of anal intercourse.

When condoms are not used, men pay attention to the vaginal moisture of the partner, even from the greater heat, which gives more joy and more pleasurable penetration. This same sensation is experienced when oral sex is also done without a condom.

In addition, the man notices a larger erection when in direct contact with his partner's body, so the pleasure does not go down at any time during the sexual encounter or due to stop putting condoms. Acceleration of ejaculation can also occur due to this greater excitation.

If the problem has to stop and the loss of an erection to place the condom, there is a solution because you can find a more erotic and sensual way to place it, such as prolonging the condom with your mouth.

What do women feel when having sex without a condom?

A woman who loves without a condom feels, in general the same sensation as a man. That is, pleasure can be intensified by direct contact with the skin of the penis and with regard to heat.

Differences are felt in women's feelings in relation to semen. Some people realize that they notice the ejaculation moment and the man's semen inside, while others claim to be unaware of it. This does not indicate a problem. This is a skin sensitivity problem of that area. Also, the fact that you are not sitting at all does not mean that semen is not felt in other sexual acts.

How To Remove Tattoos At Home

One of the worst things that many people face is drawing pictures on the body in times of enthusiasm, and difficulty removing them and regretting them. Tattooing is now a great trade, and there are many ways to remove a tattoo that affects the body and is difficult to release, No harm

The reason why someone wants to get rid of tattoos

The person puts the tattoo as a form of emancipation and the tattoo should remain in the body for life, but the person may be bored or embarrassed by the nature of society. Most people see the tattoo picture strange, sometimes after the tattoo finds that it is a different painting. , Which he does not want because of the inability and perfection of the man who is tattooing, the human nature that the person wants things in adolescence, but when he reaches the age of maturity changes his view of something, maybe it is the inscription and tattoo at a young age and when he adult does not want it as lover's name to be removed.

Natural Ways To Remove Tattoos

Mix two vinegar vinegars and the same lemon juice. Clean the tattoo with soap and cleaning paper, then mix the lemon juice and vinegar and stir for a few minutes. Then place the tattoo with antibiotics and a national balm. For a few days, you will see skin swelling where tattoos and popping sometimes, try, but be careful with itching in this place, and once swollen skin swell will fall with the tattoo and the effect will disappear, repeat this process every 6 weeks until result desired to be obtained.

This is because the skin consists of two layers of the outer layer of skin, called the human layer and the inner layer of skin called the dermis. Once the tattoo is drawn on the skin, the substance moves from skin to skin. The outer shell to the inner layers, and with salt milling is easy but very dangerous and you need the access of salt to the inner layers of the skin and you may get unwanted results, rubbing the skin with salt causes skin rash and sometimes cause skin discoloration and appearance. Scars, if you rub your own tattoos with salt The house is set to be able to get counter-productive and have that form of tattooing for the worst.

Because the subject of the picture starts tattooing and although there is salt as an itch problem, some believe that salt is not a good tattoo remover, when tattoos take instructions not to drown your skin into salt water if you want to protect it, saltwater works on tattoo ink flow and Tattoos this is very bad if the tattoo is modern.

Note that procedures to remove tattoos with salt and side effects are present, but there are effective results for removal of salt tattoos, including abrasion with the same salt and have good results in tattoo removal and can actually occur wrinkles but do not get scars, before start removing tattoos by scratching salt. Local anesthesia can be used to place a tattoo. Ink rifles, which contain salt water, can be used to penetrate the skin and then pull the tattoo ink instead of leaving it on the skin, which is not easy and can cause injury but can heal in about 6 weeks.

Another way to remove tattoos

Lasers can be used, it is known that lasers are the best way to remove hair and non-appearance, doctors also use high laser pulses in focus on tattoos to remove them, which lead to tattoo removal or lift, and laser surgery plundering a lot of money with tattoo size may be valuable from $ 100 to $ 1000, such as the use of salt and its side effects should be consulted with a dermatologist before starting the procedure to avoid damage and should be done under specialist supervision.

You can experience the tattoo removal process by chemical peeling, where the skin freezes and tattoos are burned by nitrogen, but also cause rashes and cuts on the skin. This option is not well known, like a laser, it is expensive. The surgical tattoo is removed with a medical scalpel. Skin tattoo removed. It is painful even if the process is drugged, and the skin around the wound heals from time to time.

How to clean laptop screen with homemade products

With usage, exposure to the environment and our habits (eating in front of the computer etc.), it's natural that our laptop's screen and keyboard become dirty with dust and especially with spots that are sometimes very difficult to remove. Of course, in specialty stores you can get cleaning products, but at home we also have cheaper allies.

Steps to follow:

1. Dissolve a portion of isopropyl alcohol (applied to the wound) with one of water, preferably drunk, in the same section, place the mixture in a small sprayer to clean.

2. Cover the keyboard so it does not splash the mixed drops that can damage it

3. Choose a cotton fabric that is not loose. It could be an old shirt or cleaning cloth that you know works effectively. Apply a mixture slightly to the fabric

4. Clean the screen with a cloth moistened in a circular motion and clockwise, you should do it gently but firmly to remove the deepest and oldest stain.

5. Repeat as many procedures as necessary to make your screen perfect. Remember to not soak the cloth so you do not have to deal with the excess water that falls towards your keyboard

6. With this simple step you will be able to leave your laptop screen clean and new

Tips
Do not use paper towels because they release fibers that will remain on your laptop screen
Perform cleaning with the laptop turned off and completely disconnected to avoid accidents

Do not put your finger on the screen while cleaning, so your fingerprint will not be marked

How to transfer audio from PC to TV

While the sound level on your laptop or desktop PC may be high, the overall range of sound on TV is usually much higher. To take advantage of this sound, connect the computer directly to your TV, but if you do, you must have a TV and a computer with a slot for an HDMI cable.

You will need:
 HDMI cable

Steps to follow:

1. Turn off the computer. The equipment must be completely turned off when connecting the cable.

2. Find an HDMI slot on your computer. In the tower unit, there is a rear. On laptops, slots are more likely to be next to a USB slot.

3. Insert one end of the HDMI cable into the HDMI slot on the computer. Place the second HDMI slot on the back of your TV.

4. Insert the HDMI cable into the HDMI cable slot on the TV.

5.Use your remote control to change the TV channel to "HDMI" (the method to do this depends on the right model, see the manual or contact the TV manufacturer to see detailed information).

6. Turn on the computer. Now you can see the pictures that are on your computer, and listen to the sounds that accompany them, on the television.

Tips
If your computer has only one DVI port, purchase a DVI cable to HDMI. This lets you perform the same process, but you must connect the end of the DVI cable to the DVI port on your computer, and the HDMI edge to the TV.