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The history of the harp goes back thousands of years. The harp is regarded as the world’s oldest string instrument. It influenced the evolution of the piano, guitar, and violin. Engineering is the application of science to the art of problem solving; the harp has encompassed the ideals of engineering.

Bamboo is emerging as an alternative resource to other types of wood. In the past, people intuitively used it as a basic material for making many different household objects and small structures. However, ongoing research and engineering efforts are enabling us to realize bamboo’s true value as a renewable, versatile

It is not uncommon to see distinctions drawn between civil and environmental engineering projects. Preconceptions are regularly formed over what truly constitutes an environmentally friendly task, and these preconceptions rarely include the work of civil engineers. However, many engineering wonders exist primarily due to the interaction between these two disciplines.

Malaria continues to plague peoples worldwide, transmitted by a viral parasite carried by mosquitoes. Vaccines and pesticides have combated the disease in the past, but the disease adapts and becomes resistant to drugs, and pesticides such as DDT hurt the environment while killing mosquitoes. Geneticists have developed a new solution

The advancement of technology and the preservation of the environment do not have to be opposing goals. When taken together, these objectives provide the basis for sustainable technologies that reduce resource consumption and pollution. Through the use of these technologies and a little creative planning, a building can be constructed

Bicycles have been around for many years and are constantly being researched and improved. Many disciplines of science and engineering are necessary in making the bicycle what it is today and will be in the future. Since the appearance of the first bicycle in the late 1700s, this machine has

Time travel involves either moving backward to the past or forward to the future. Just as our current actions affect the future, our actions of the past can affect the present. The Grandfather Paradox, which must be addressed when discussing time travel, describes the potential problems that can arise from

The tennis racket has experienced continuous improvements to meet the performance demands of professional players. In designing a better tennis racket, engineers and scientists need to understand exactly what happens when the ball collides with the racket. The racket frame, strings, and tennis ball experience energy transfer, resulting in deformations

The idea of using a polygraph for lie detection emerged at the end of the nineteenth century. Despite major technological advances in the twentieth century, the polygraph has evolved little since its invention. The polygraph works under the assumption that lies can be detected by certain measurable physiological changes, a

When taking a look around a public place, one may observe an increase in the use of surveillance cameras. This is partially due to technological advances that have introduced new benefits for businesses and law enforcement agencies that implement video surveillance. Current technology allows an operator to view live surveillance

Total hip replacement, or THR, is a very common and successful procedure. THR is often performed when wear of the hip joint — due to osteoarthritis, rheumatoid arthritis, avascular necrosis, or a related condition — results in extreme pain. The worn femoral head and acetabulum (the ball and socket respectively)

In recent years, America’s blood shortage has propelled the biotechnology of blood substitutes. Artificial blood does not contain the plasma, red and white cells, or platelets of human blood, but functions to transport and deliver oxygen to the body’s tissues until the recipient’s bone marrow has regenerated the missing red

On September 11, 2001, two Boeing 757’s crashed into the World Trade Center’s two high-rise towers. In addition to the structural damage the impacts caused, the leaking jet fuel led to extensive fires and rapid explosions in the buildings. The towers collapsed within two hours of the attack. While it

Kites have existed for thousands of years, but even today, little is understood about them. While the aerodynamics of a kite are known in theory, in practice deformability makes its behavior highly unpredictable – yet, precise control of kites has rarely been a concern since kite flying has been relegated

Occasionally, it is the job of special effects artists in film and television to manipulate reality in order to present an image that audiences believe they would see, as opposed to what they would actually see in real life. This concept and practice incorporates not only the mathematics and engineering

Once a crowded and dull parking lot, McCarthy Quad has been transformed into a recreational area meant to provide a sense of self and community for USC students. The planning and development of the project involved political, economic, spiritual, and environmental aspects, as well as budgetary concerns. In engineering the

The art of pitching a baseball requires great skill and dexterity to master. A great pitcher is one who understands the engineering of the baseball itself and the aerodynamic principles at work while the ball is in flight. Furthermore, a great pitcher is able to exploit these laws of physics

One of the continuing goals of scientists and engineers is to develop technologies which reduce the severity of physical disabilities. Hearing loss due to defects in the middle ear occur with great frequency, and the more severe cases can be treated with ossicular replacement prostheses. The main focus of this

The field of chemical engineering has existed since World War I, yet many may have trouble describing what a Chemical Engineer actually does. Chemical Engineering has allowed Americans to enjoy a higher quality of life through the benefits of the products these engineers produce. In fact, industrial processes used by

A new hardware paradigm technology encompassing reprogrammable circuitry commands the versatility of general design processors and the speed of application-specific circuits. One manifestation of this design stratagem is the field programmable gate array, a collection of logic functions whose software controlled interconnections can be altered at will to optimize select

With the help of scientists and engineers, individuals missing appendages can be given a chance to live a life in which their amputee status is an afterthought. The recent progress of prosthetic engineering has enabled scientists to design artificial limbs that function nearly as well as biological ones. On the

Scuba divers rely on diving fins for underwater propulsion. Recent advancements in fin technology have increased divers’ locomotive efficiency, with some designs drawing ideas from structures in nature for improvement. Traditional paddle fins have been modified to include grooved surfaces, pivoting structures, and split designs to maximize forward thrust per