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Are Noise Control Products a Solution for Background Noise in Schools? By : Groshan Fabiola Acoustics deals with the study of sound, that is of mechanical waves in liquids, gases and solids. The term ‘acoustic’ comes from ancient Greek and it refers to the ability of being heard. Acoustics studies the sound from production and control, through transmission and to reception and effects. The initial studies focused on mechanical vibrations and their radiations through mechanical waves. These studies are still continuing in the present. Waves and sound involve physical processes. Can a Black Hole Lose its Clothes? By : Burt Jordaan Black holes are theorized to have singularities in their centers. The event horizons of black holes shield the central singularities from outside observation, a principle called the "cosmic censorship hypothesis", coined by Sir Roger Penrose. However, black holes may have a way to sidestep Sir Roger's censorship. Garbage-In-Gigawatts-Out By : Burt Jordaan The quest for free energy has fascinated humankind ever since we became "energy-hungry". So far the quest has been without success, but out there, in deep space, may hide a solution – spinning black holes. Relativistic "Stay Young Treatment" By : Burt Jordaan The "twin paradox" of Albert Einstein's theory of relativity has bemused many people for almost a century. Here's a non-technical solution that will appeal to the enquiring and curious mind. What is Learning? Can We Learn Better Than Apes Do?-Part 1 By : Alvaro Fernandez Dr. James Zull, Professor of Biology and Biochemistry at Case Western University, and author of The Art of Changing the Brain: Enriching the Practice of Teaching by Exploring the Biology of Learning, shares with us his insights into what Learning is and how we can All learn better. Part 1 of 2. What Is Learning? Can We Learn Better than Apes?-Part 2 By : Alvaro Fernandez We continue the conversation (Part 2 out of 2) on Learning with Dr. James Zull, Professor of Biology and Biochemistry at Case Western University and author of The Art of Changing the Brain: Enriching the Practice of Teaching by Exploring the Biology of Learning. What is Relativity? By : Burt Jordaan The evolution of relativity from Galileo to Newton to Einstein - a brief comparison. The Dangerous Future of Laser and Fiber Optics By : Rodger Bailey, MS We are living in an age where technology is the driving force that is moving us forward as a civilization. It seems that with each passing month new pieces of information give way to new kinds of technology that unravel and give way to more and more advances that push us into an age that may, to some critics, become so dependent on technology that we might be beyond help. Laser and fiber optics, computerized technology, and everything between are at the focal point of this technological evolution. Understanding Fiber Optics By : Rodger Bailey, MS Why is Fiber Optics Technology So Important? Fiber Optics: Historical Perspective By : Rodger Bailey Facts About Data Fiber Optics What is Gravity? By : Burt Jordaan A look at 'what is gravity?' from the viewpoints of Kepler, Newton and Einstein - a brief comparison and the possible future of gravity theory. What is Cosmology? By : Burt Jordaan A brief answer to the question "what is cosmology?" Introducing non-technical people to physical cosmology, the scientific study of the Universe at large. Where does Inertia Come From? By : Burt Jordaan Inertia is the well-known effect of matter resisting being accelerated. But where does inertia come from. This article explores two possibilities. The Philadelphia Experiment By : Apostol Lucian The Philadelphia Experiment is an United States Navy experiment, done on October 28, 1943. During the experiment, the destroyer USS Eldridge was teleported from Philadelphia, Pennsylvania, to Norfolk, Virginia, and back again to the Philadelphia Naval Yard. The Importance of Energy Storage By : Denise Palmer Energy storage is the storing of some form of energy that can be drawn upon at a later time to perform some useful operation. Global Potential of Coal Bed Methane By : Denise Palmer Seen in the past mainly as a safety hazard for coal miners and a costly nuisance for mine operators, CMM is now being widely studied and exploited. Nuclear Castings By : Rob Parker With vigourous requirements in North America the Nuclear Industry has to make sure it protects against radiation. On The Origins Of The Psychic Abilities Test And Zener Cards By : Frederick Gimino Zener cards were developed and designed by Karl Zener, a Swiss Psychologist, and his associate J.B Rhine, at Duke University during the 1930’s, to test an individual’s psychic abilities or ESP (Extra Sensory Perception). Let's Know More on Science Related Issues By : Wandile Maseko In science fair competitions, if you can show that you are following the scientific method, you are well on your way to impressing the judges. Although Scientific Management does play an important role in the 21st century, it is necessary to note that this method of management contains weaknesses that limit its influence in current work environments, and consequently not all of its tenants are applicable to modern organizations. It is perhaps then better to accept that as a complete theory Scientific Management is not visible in modern organizations, however, elements of it are so relevant that they have become deeply ingrained in all modern organizations and are the very reasons why management has taken on new dimension in the 21st Century. The Mysterious Conversational Hypnosis By : Manuel Wiggins Directed conversation is done to induce hypnosis in people. It is called a conversationally hypnosis. Yet, there is a difference between conventional hypnotism and conversational hypnosis. In the first one, there is an engagement between the hypnotist and the patient. The connection in this case is made directly as a casual interaction. It is so different from the other traditional lying-on-a-couch approach. The conversational hypnosis is appeared stronger and may be used successfully at dealing with some especial traumas. It is applied also, in difficult situations during the life.

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