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Student's class topic about "Security Camera" "Security Camera and Security Camera System" Security cameras or closed-circuit TV (CCTV) was initially developed as a means of security for banks. Today, however, it has developed to something more than just surveillance used for commercial purposes. The technology of security cameras these days have become simpler so that they are inexpensive enough to be used in home security systems and for everyday surveillance. Development of Technology The first security cameras used in public places were crude and conspicuous. They used low definition black and white systems without even the ability to zoom or pan. Advances in technology led to more sophisticated systems which became the precursors to the modern security camera. Today, security or CCTV cameras use small high definition color cameras that can not only focus to resolve minute detail but also semi-automatically track down objects by linking the control of the cameras to a computer. For instance, a typical modern security camera can track movement across a scene where should be no movement. It may also be able to lock onto a single object in a busy environment and follow it. Because the system is computerized, it is now possible to let this tracking process work between cameras. In the United Kingdom, specifically in London, security cameras are used in combination with computer imaging systems to track car number plates. This is a security measure taken by the government in case of an instance of crime, such as car-napping. Information from security cameras on car number plates are also used to generate billing information. The latest development in security cameras, aside from the new imaging techniques, is computerized monitoring. This allows the camera operator to run more cameras since he no longer needs to endlessly look at all the screens. The computerized system of this new security camera tracks the behavior of people, searching for any particular types of movement, particular types of clothing or baggage.

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Video marketing for rental property management is a great way to start your own business.

First, you have to create your own website, then register in Ontario, Canada.

Through the advertisements, you can run your business and get benefit out of rental and people who are seeking for rental property. Hire your own management group who can step by step help you to control all aspects of it.

We have a client who made a great success this kind of business in the greater Toronto area.

We can not disclose the client's info as per client and our agreement documents.

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The pan flute is a musical instrument that requires to learn techniques, terms, and at least basic knowledge of music.

In order to be mastered in pan flute, you will have to learn a lot of things such as vibrato, staccato, legatos and arpeggios.

The pan flute maneuvering, embouchures, tunings, scales, registers and etcetera a plus point to control the tune of music.

It is similar to pipe (flute) music, only control and play method are different between the pipe and pan flute setup process.

"The Magic of Zamfir." He is the undisputed king of the pan flute. Gheorghe Zamfir, a Romanian exile with a talent for creating easy-listening hits on an archaic folk instrument.

His biggest success came in 1977 when he recorded James Last's "The Lonely Shepherd," which became an immediate hit and has sold millions of copies.

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An antenna is a specialized transducer that converts radio-frequency (RF) fields into alternating current (AC) or vice-versa.

There are two basic types: the receiving antenna, which intercepts RF energy and delivers AC to electronic equipment, and the transmitting antenna, which is fed with AC from electronic equipment and generates an RF field.

In computer and Internet wireless applications, the most common type of antenna is the dish antenna, used for satellite communications. Dish antennas are generally practical only at microwave frequencies (above approximately 3 GHz). The dish consists of a paraboloidal or spherical reflector with an active element at its focus.

When used for receiving, the dish collects RF from a distant source and focuses it at the active element. When used for transmitting, the active element radiates RF that is collimated by the reflector for delivery in a specific direction.

At frequencies below 3 GHz, many different types of antennas are used. The simplest is a length of wire, connected at one end to a transmitter or receiver. More often, the radiating/receiving element is placed at a distance from the transmitter or receiver, and AC is delivered to or from the antenna by means of an RF transmission line, also called a feed line or feeder.


Childrens are our future. We decided to publish student class topic based articles using animation video, audio and text at least one per week.

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This video uses artificial intellect throughout the process of making.

It is up to you to discover what if most appealing on this video.

If you had a hard time finding it. Send us an email or post a comment on FB.

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Quartz clock operation is based on the piezoelectric property of quartz crystals.

If you apply an electric field to the crystal, it changes its shape, and if you squeeze it or bend it, it generates an electric field.

When put in a suitable electronic circuit, this interaction between mechanical stress and electric field causes the crystal to vibrate and generate an electric signal of relatively constant frequency that can be used to operate an electronic clock display.

Quartz crystal clocks were better because they had no gears or escapements to disturb their regular frequency.

Even so, they still relied on a mechanical vibration whose frequency depended critically on the crystal's size, shape and temperature.

Thus, no two crystals can be exactly alike, with just the same frequency.

Such quartz clocks and watches continue to dominate the market in numbers because their performance is excellent for their price. But the timekeeping performance of quartz clocks has been substantially surpassed by atomic clocks.

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There are many ways to rip off tourists in Rome, Prague, Paris, and other beautiful European, Central and South American cities.

Scammers have tried most of these cons all over the world. This is an awareness and how to safeguard you and your families from the scam. Let's go through step by step.

Four popular tourist scams by scammers in the world.

1. The Friendship Bracelet scam is where some guy starts wrapping the string around your finger or wrist, effectively trapping you until they finish braiding an ugly bracelet and demand money for it:

2. In the Gold Ring scam someone will pretend to find a ring on the ground, give it to you out of kindness then suddenly insist that you fork over some money to reward their selfless generosity:

3. The Donation scam is where people, often pretending to be deaf come up to you and ask you to sign some kind of petition and then ask for money after you sign it. As a bonus, their confederate will pick your pocket:

4. In the Worthless Clothes scam: Scammer will try to show you expensive and brand clothes or watches but give you crappy clothes, jewelry or watches under the rush trick or exchange the copycat bags. you end up getting no value for the item.

**Four popular awareness and safeguard trick from the tourist scams by scammers in the world

1. The best way to deal with them is to walk away without saying a word no interaction at all.

2. Keep your valuables at the hotel's safe locker. The woman should not carry bag.

3. Use neck hanging pouch with money, cellphone and credit cards inside of your shirt. Nothing on the back pocket. use comfortable clothing and shoes.

4. Always keep your both hands free of items. Let all family member be aware, ready and watchful.

Have a safe journey and a safe return.

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Slideshow, Animation & Artificial Intelligence(AI) with the hidden agenda. Yours's to discover.