Parece inevitável que a quase onipresença dos computadores influencie diretamente a formação e a educação das pessoas hoje. Fatos recentes como a inclusão digital e a mobilidade dos notebooks têm mudado bastante a relação com a informação e o conhecimento, antes sacralizado nos mosteiros medievais, restritos à elite e hoje cada vez mais acessíveis. Essa chamada "sociedade do conhecimento" é marcada por dois elementos...more
In the field of medicine, Digital Imaging Systems involves the creation of visual images of organs, tissues, and other body structures for the purpose of medical diagnosis. Digital imaging utilizes magnetic fields, gamma rays, high frequency sound waves, and x-rays, to create digital images of specific internal body structures and organs. The purpose is to diagnose disease in order to create an effective medical treatment plan. The following is a...more
Portraits have had an enduring appeal for centuries. A portrait may seem very simple and yet it is capable of infinite variety and results.A well taken portrait can be moving and evocative, thought-provoking or amusing and it is something that can be enjoyable for both the photographer and the sitter alike.The fact is, we all find other people fascinating and so the portrait will always be an important feature in photography.As a result, there are literally thousands of web sites and books that explain various portrait techniques. However, most of the advice boils down to a few simple do's and don'ts covering pose, composition and lighting. These six tips will cover the essential basics:Portrait Tips:... A lot of people are camera shy and don't like their photograph taken. As a result they tend to sit in rigid, unnatural poses and you can see the fear in their eyes. To help your subject to feel comfortable, remember that not all portraits need to be formal or even posed. Why not take photographs of your loved ones as they go about their daily lives. Not only will the results be more natural, but it will put them in the context of their lives and interests.... Don't...more
Nothing defines a place as much as the people who live there work there or visit. It is fascinating to observe them and their culture. They can also provide a rich source of photographic potential too.Not everybody is comfortable taking candid shots when visiting a particular city or location.It takes a certain amount of confidence,...more
What's in a darkroom? How does a darkroom present quality images and photos? Well, first darkrooms are basically replaced now by scanners, printers; computers, and software programs, however, darkrooms have equipment. Some of the equipment includes chemicals, safelights, easels, paper trays, enlargers, thermometers, tongs, focus...more
Power accessories are important tools that all photographers consider. Regardless of the level of photography or the level of work you do, accessories come in handy in all areas of digital photography. Cameras are slick little devils, which sometimes slip from your hands; therefore having the right accessories, such as the power SLR grips can save your loads of headaches. Why buy aspirins when you can take care of the problems before they arise. Choosing the right accessories is a job in itself, however if you know what you are searching for then the job is less demanding. Therefore, we have outlined a few accessories offered as well as tips as to which accessories are better choices than other accessories are. The tips are in between the lines, since it is up to you to decide what the better choice is since no one knows your needs like you do. Gripping the camera The power accessories include the SLR power grips, battery packs, battery types, and motor drivers. Power grips are an accessory that grips to the camera while giving you an extra handle on things. This can come in handy when you are awkwardly coordinated, or trying to handle multi tasks. Battery Types...more
T2i: Best Digital CameraCanon SLR cameras are high quality, and offer excellent value. Below are some benefits which may help you figure out if it's right for you, or as a gift. While the Canon Rebel digital SLR camera has many...more
Electrical Discharge Machining or EDM is electrical equipment or a machining method that is used for hard metallic materials. It is primarily used on hard metals that cannot be processed by traditional methods and techniques. Electrical...more
I wager you've got used every thing to cease smoking cigarettes like patches and gum and also you title it, you have attempted it. It really is because the electronic cigarette (or electric or Electric cigarette) may be very comparable...more
The electronic cigarette operates in a very a style that is quite comparable to that of a fog machine. Aided by the assist of Electric Cigarette Supply, you may uncover how this new technological innovation was produced, find out how...more
There are virtually 5 hundred thousand compounds inside a typical Electric cigarette smoke. Excellent of Electric cigarette kinds differ plus the better top rated high quality models present a lot more constant release of vapor and...more
Youve finally decided to get that beautiful ornamental aluminum fence for your property. Youve researched all of the advantages of installing an aluminum fence over other types of fencing and youre ready to start really getting into the costs...more