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Expert Author: Mike Strauss Science has reached an enormous impasse. From biology to physics, astronomy to genetics, the scientific community is reaching the limits of understanding which often presage a complete rethinking of long-accepted theories. So characteristic of this new apex of modern arrogance is the inability to comprehend the obvious in physics: That we don't know what we are talking about. Expert Author: Matthew J James This article provides information on the past, present and future scientific developments in North West England. Expert Author: Joe Kanooga Various electronic kits are available, and the potential benefits go beyond the finished product. For a start, it's a hands-on opportunity to become familiar with some terminology. By high school, science classes often include an introduction to electronics concepts, including circuit diagrams, resistors, and diodes. Expert Author: Joe Kanooga Chemistry sets from brands like Thames Kosmos, Scientific Explorer and Powertech provide children with hours of educational entertainment. The great thing about these sets is they provide all the chemicals and materials required to conduct the experiments. But what do you do when the chemicals have all been used? Expert Author: Rashel Dan The major principle working behind a hovercraft is the principle of aero-dynamics. This is similar and can also be attributed to fluid mechanics in engineering. Although the hovercraft was designed to glide primarily in water, it behaves more like an aircraft vehicle. Its ability to function and operate fully relies so much on the air pressure simulated by its fan. This innovative engineering idea and application is what makes a plan for building a hovercraft works. Expert Author: Ellen Bell Magnets have been in use for thousands of years. The first known reference to magnetism dates back to the 4th century B.C.E. from a Chinese literary work called "Book of the Devil Valley Master." In this book, it was written that "lodestone attracts iron to it." Lodestone is a type of magnetite metal with a special crystalline structure that can naturally create a magnetic field, thereby attracting and magnetizing iron. By the 12th century A.D., Chinese sailors were using lodestone rocks as compasses for sea navigation. Expert Author: Anil Kumar T The intuitive inventions in the field of electro-magnetism have enabled the human race to perform once complex industrial operations with greater ease and safety. Some of the greatest outcomes of these historic scientific developments are electrical generators, induction motors and transformers. Expert Author: Sean M. Clarke Human cloning is the creation of a genetically identical copy of a human being, human cell, or human tissue. The term is generally used to refer to artificial human cloning, although human clones in the form of identical twins are commonplace, with their cloning part of the natural process of reproduction. Expert Author: Barb Luick The main research revolving around adult stem cells is that they have the ability to divide and self-renew indefinitely. This means that with the right research, adult stem cells could be used for all sorts of things. They are already more than valuable in research, particularly those which have cures that seem to be far away and hard to find. The adult stem cell, which has the ability to become any other type of cell in the body, might just be the greatest link between what is known about the human body, and what is not – and it might be the thing that helps researchers create a better life for all. Expert Author: Lena Butler Urine analysis as a drug test is the most common method to detect and confirm any suspicion of individuals under drug influence. Urine drug testing is trusted in institutions in both the public and the private sector. However, newer technology like oral sample drug tests and hair drug testing presents advantages for employers. Expert Author: Michael Russell Your lungs were the first compressor known to man, but don't try to use them to clean your home. Expert Author: Jason John When it comes to electronic circuits, it can be broadly divided into two categories.Analog and Digital electronics. Read to learn more about them. They are also known as linear circuits. Some of the most common analog appliances present in the market are radio receivers, transistor amplifiers, operational amplifiers, oscillator circuits and so on. All these circuits use some of the most basic electronic components like transistors, diodes, resistors, capacitors and so on. Analog circuit uses a continuous range of voltage as its operating mode. Expert Author: L.Stalin Hair follicle drug testing is the ultimate drug testing method due to its large detection window, convenience and accuracy. This article talks about the basics of hair drug testing, how the hair follicle test work and produce results for drug use detection. Expert Author: Taylor Descar The most exact definition of Solar Energy is plainly - "the energy from the sun". It is a term used to classify the electromagnetic radiation emitted by the sun and intercepted by the Earth. It is the world's most permanent and reliable source of energy and the most copious. Expert Author: David Leonhardt Ball bearings aren't balls. This is a humorous account of what ball bearings really are. Expert Author: Thomas MacIntosh The entire process of refrigeration has a whole lot to do with the freezer compressor. If the compressor goes wrong the refrigerator will lose its freezing capacity. The basic mechanism behind the cooling process is very simple. Expert Author: Jim Thio Evolution theory teaches that survival is for the fittest living organism.
What is life? What is fit? And what does it mean to survive? Well, there are many definitions of course. A useful definition, in scientific perspective, is the one that allow us to analyze myriads things with fewest principles. So here they are. Expert Author: Joe Goertz In both science and in technology, a battery is used as a type of device that is used to store energy, making it available for use in an electrical form. They consist of electrochemical devices, including one or even more galvanic cells. Expert Author: Joe Kanooga Blast off to learning success! Educators are recognizing numerous exciting benefits to using model rocketry in the curriculum. It's an economical resource, with quality model rocket kits available from many manufacturers ranging from Estes model rocket kits to Aerotech, LOC and Edmonds models. Expert Author: Mike Strauss Theoretical cosmologists spend much of their time perfecting what is now known as the 'Big Bang' theory. This concept originates from ideas percolating in the minds of scientists, theologians and astronomers down through the ages. However, much of what they consider as proof for the 'Big Bang' is dependent upon uncontrolled experimentation that is molded to meet their expectations.
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