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Najib Altawell - EzineArticles.com Expert Author
Najib Altawell has written a number of short stories and poems, both for adults and children. As an artist, he has produced variety of oil painting and water colour pictures, as well as illustrations for a children book. As a researcher in science and engineering, he has written a number of articles related to nanotechnology, electronic sensors (eNose) and renewable energy – plus, various additional topics; some are related to the field of computer ... [More]
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- Conductivity of Molecules & Single Electron Transport
[Reference-and-Education:Science] Can we manipulate single molecules so that their electronic capabilities can be tested and then applied? In nanostructures the electrical properties can be markedly different from their macroscopic equivalents thereby revealing many novel effects.
- The Third Man & This Way That Way!
[Arts-and-Entertainment:Poetry] The first man 'shook' your hand In an empty lane. The second man 'gave' his card Among the crowed On a fast train. The third man 'Touched' your hand Brought a flower In a 'blurred' dream.
- Why Nanotechnology?
[Computers-and-Technology] Consider the question: "Why should Nanotechnology work better than any other form of technology?" The answer can be very simple. When we understand the structure of matter, then we can manipulate it and control it "from the inside", which should give much better results than just dealing with matter "from the outside". How can it be concluded that Nanotechnology is the answer, when we still do not either have the means to use it in commercial environments, or have fast, accurate and cheap ways of applying it? Perhaps this is partly a matter of belief.
- Mass Spectrometry
[Reference-and-Education:Science] Mass Spectrometers are instruments which can identify the type of molecules in a sample by creating ions from the specimen molecules. These ions are then accelerated via an electric field and then passed through a magnetic field, which classifies them according to their mass to charge ratio (m/z). The act of creating ions often causes the molecules to be broken into charged fragments which are characteristic of the original substance. The mass of each fragment will be displayed in the form of a spectral plot, and then the compound's mass spectrum can be used for qualitative identification.
- Comments on Meeting the Energy Challenge - Part Two
[News-and-Society:Energy] The IEA figure of $20 trillion of investment may or may not result of what the IEA is forecasting for the next two decades. In fact this kind of forecasting, even if it is built on solid and accurate data, cannot be relying on. The reason (or reasons) for this is usually lies within various constantly changeable factors. These factors can range from the degree in which our climate is changing, the increasing of the earth's population, to the changing of politics worldwide, in particular when each individual country only concern with its own interests rather than the world as a whole.
- Comments on Meeting the Energy Challenge - Part One
[News-and-Society:Energy] Greenhouse phenomena are part of human activities. These kinds of activities will continue to affect the climate, long after any solution to the energy crisis has been found. The question here is what kind of 'Energy Policy' should be implemented and what kind of energy, therefore, we should all use to reduce greenhouse emission? Before it is too late!
- Why Biomass?
[News-and-Society:Energy] The name "Biomass" was invented in 1975 to describe natural materials used as energy sources, and refers to organic matter which can be converted to energy. Biomass energy is the oldest source of energy in the human history, as it can be easily dated back to man's first fire.
- What are "Quantum Dots"?
[Computers-and-Technology] By using an external light (e.g. Ultraviolet) on nano-crystals (e.g. made from semiconductor materials such as zinc sulphide, cadmium selenide, indium phosphide or lead sulphide), the nano-crystal will absorb the light. And then, as a result of the crystal being stimulated by the absorbed light, it will re-emit the light, usually of a certain colour, depending on the size of the quantum dot.
- What is Co-Firing?
[News-and-Society:Energy] Co-firing can reduce the emission of a number of gases. It has already been established that these gases pollute the environment and can cause global warming. Co-firing, therefore, can be beneficial in a number of ways. The most important benefit we obtain from the co-firing system is CO2 reduction, usually associated with global warming. In addition to the above, we can benefit in the reduction of NOx as well as reduction in flame temperature.
- Seven Bats (Part Three)
[Arts-and-Entertainment] Mrs. Smith had no sooner entered the classroom than she came out running and screaming with fear. The teacher and the headmistress were puzzled and worried when they saw Mrs. Smith behaving in this strange way. After all, all the staff at the school knew very well how hardworking and brave Mrs. Smith was when it comes to dealing with difficult situations! "Mrs. Smith! Calm down right now! You must not behave in this way in front of the children" The headmistress said with an angry voice, then told the teacher to take all the children to an empty classroom on the first floor, at once.
- Seven Bats (Part Two)
[Arts-and-Entertainment] "But something strange happened. As the prince was greeting one of the tigers, seven bats landed on a branch of a tree. They hung upside down, as all bats do, and started making lots of noise. The prince looked at them and he was furious. He never invited these bats to the party, so why were they here? He asked the birds who he sent to invite the other animals if they had disobeyed him and invited the bats? The birds said they never did!"
- Seven Bats (Part One)
[Arts-and-Entertainment] He cried when he entered the school, and cried again when his mother kissed him on the cheek, as he heard her saying in a whispering voice to the teacher "Please keep an eye on him". The teacher, who reminded him of the karate fighter he saw yesterday on his new cartoon, touched his hair and looked at him straight in the eyes, and then she pretended to be small by bending her knees and her back.
- The Question About Energy!
[News-and-Society:Energy] Have you ever wondered what would happen if suddenly we had no reserves of crude oil? Well, this is what the world will be facing in the not too distant future, even if we discover more oil reserves in various parts of the globe. Let us assume that there is no longer crude oil being shipped or pumped anywhere, how the world will look and how this type of fossil fuel shortage can affect us, on the long and short term basis?
- Machine Olfaction Device (MOD) Sensors (Part Three)
[Business:Industrial-Mechanical] The Quartz Crystal Microbalance (QCM/QMB) is an extremely sensitive mass sensor, capable of measuring mass changes in the nanogram range. QCMs are piezoelectric devices fabricated from a thin plate of quartz with electrodes affixed to each side of the plate.
- The Moon
[Reference-and-Education:Astronomy] The connection between the Moon, the living and the dead has been with us since pre-historic times. Therefore, the Moon was, and still is the focus of many people in various cultures across the globe, but in particular among poets and writers, who looked at it and wrote about what they saw, what they felt and what they imagined.
- Machine Olfaction Device (MOD) Sensors (Part Two)
[Business:Industrial-Mechanical] Polymers can be used for many devices combining unique optical, electrical, and mechanical properties. Conducting polymers can be used for optical effects and underlying physical processes. A polymer is basically a substance made up of many repeating chemical units (or molecules). A conducting polymer film is usually used as a sensor to detect vapours/odours using the same principles as those applicable for MOS*.
- Basic Breathing Techniques
[Health-and-Fitness:Meditation] Physical relaxation is not just important from a health point of view, but it is vital for any meditational or spiritual development. Therefore, as a starting point, breathing exercises should be practiced over a period of time, depending on each individual's capability; this may take from a few days to many months. But certainly, the breathing exercises should precede any meditational and/or any other type of inner (e.g. mental or spiritual) functions, regardless of whether the individual has achieved and mastered the complete range of breathing techniques or whether these have become part of his/her daily life or not.
- Machine Olfaction Device (MOD) Sensors (Part One)
[Business:Industrial-Mechanical] In this report only Metal Oxide Semi-conductor (MOS), Conducting Polymer (CP) and Quartz Crystal Microbalance (QCM) will be examined, as they are well researched, documented and established as important element for various types of machine olfaction devices. The application, where the proposed device will be trained on to analyse, will greatly influence the choice of sensor.
- What is Biomass Energy?
[News-and-Society:Energy] The term "biomass" refers to organic matter which can be converted to energy; the name "biomass" being invented in approximately 1975 to describe natural materials used as energy sources. A source of energy such as biomass is one of the ways forward in reducing our dependency on fossil fuels, plus stabilizing the CO2 in the atmosphere.
- The Pond & The Kitten
[Arts-and-Entertainment] Pepin hearing the voice was a bit confused, because the voice did not sound like any kittens' he had played before, and without thinking he took another step backwards which made him fall into the pond just behind him. The two small, shining eyes watching from the dark hole became two tiny dark spots in the daylight as a mouse came running out to help Pepin.
- Messages of "Pain" Received From Another "Plane"
[Arts-and-Entertainment:Poetry] In our modern time, we have a number of ways to communicate with each other locally and across the globe. These methods of communication can be performed using devices such as a cable phone, mobile phone or via the Internet.
- The Dragon
[Arts-and-Entertainment] Samira felt she had to leave her brother at once; otherwise he would carry on with his imaginary story about the existence of dragons. She walked outside the house still thinking about what her brother was talking about but at the same time she was trying hard to dismiss from her mind all the stories she heard about dragons, no matter how nice and beautiful her brother thinks they are!
- What is Self-Assembly?
[Computers-and-Technology] We know that the basic principle in self-assembly -in molecular structures-is selective stickiness. That means if two molecular parts have complementary shapes and charge patterns i.e. one part has a hollow where the other part has a bump, and one part has a positive charge where the other part has a negative charge, then they will stick together in one particular way. This principle can be used in nanotechnology to assemble what we want.
- What is Nanotube?
[Computers-and-Technology] They were discovered in 1991 by the Japanese electron microscopist Simio Iijima who was studying the material deposited on the cathode during the arc-evaporation synthesis of fullerenes. Carbon nanotubes are fullerene-related structures which consist of graphene[1] cylinders closed at either end with caps containing pentagonal rings.
- What is Nanoelectronic?
[Computers-and-Technology] Nanoelectronic is concerned with understanding and exploiting the properties of devices, which have dimensions at the nanometre scale. Microelectronics will gradually evolve into nano-electronic. In fact, this has already happened as can be seen from the smallest feature size of present integrated circuits, which is below of one micrometer.
- New Life
[Arts-and-Entertainment:Poetry] A brilliant powerful bright light emerges - so it seems - from nowhere, then grew and expanded in a flash of time, to eventually create the physical universe as we know it and life itself as a whole. The process then begin to reverse and the original light, which created life and everything physical in the first place, will end it in the same manner the way started it originally, thus completing a major cycle.
- Passing By
[Arts-and-Entertainment:Poetry] We are all connected in one way or another. Having an instant feeling towards someone you do not know.
- What is Electronic Nose?
[Computers-and-Technology] The principle of eNose is that it uses an array of sensors. The name itself Electronic Nose (eNose) used for the first time during 1988.
- Deity's Rain, Lighting & Thunder
[Arts-and-Entertainment:Poetry] So called "Miracles" can happen anywhere and anytime - regardless of what "religion" or "belief" in the minds of those "in these situations" desiring, believing and wanting a particular manifestation to take place. Energy and matter are part of each other, and the connection is very clear in dealing with both of them at the same time - to create whatever we want!
- The Inner Queen
[Arts-and-Entertainment:Poetry] In this world we born and die in a flash of time as we compare our lives span within the geological time of the earth itself, the lifespan of our solar system or even to a much bigger scale, to our local universe. Comparisons like these put us in a picture where the difference between the birth and the death of the smallest biological creation and a human being is nothing but part of the same process, and the difference between the two lives as they stand in the ladder of evolution become blurred, as each contribute to the life and evolution of the other, on visible and none-visible scale.
- In The Silence Of The Night
[Arts-and-Entertainment:Poetry] The "night" and the darkness associated with "it" is the perfect place for imagination, as the black space work like a "blackboard" for the poet to paint in his own words (just like a "fine art" artist) the image he/she would like to express. The image can take a "life" of its own, especially if the image was persistent in the mind of the poet.
- Who? When? Where And Why?
[Arts-and-Entertainment:Poetry] We all want to know the truth - but where, how and who will be able to provide us with the truth, the whole of the truth and nothing but the truth?!
- Cyber Space
[Arts-and-Entertainment:Poetry] When do you think we will meet? Is it next week or even may be in ten years? When do you think we will kiss?
- What is Nanotechnology?
[Computers-and-Technology] Nanotechnology, in general, is the science of everything exists which is made up from atoms and molecules. However, Nanotechnology as we know it today - and as defined by Professor Drexler, is engineering and not a branch of science. Here we manipulate the atoms and molecules and restructure/reorganise them the way we want in order to produce certain materials and/or certain technology at a nano-scale level.
- New Day With Diamonds
[Arts-and-Entertainment:Poetry] Diamonds on black velvet were part of the main scene in an old large country house. The fingers belonged to a bride where a wedding celebration took place. The poem was written eight months later remembering that special day.
- Can of Beans
[Arts-and-Entertainment:Poetry] If we are not conscious outside our daily lives and outside the world around us, then this can be "symbolically speaking" resembled to "living" in a "can of beans" (the physical environment, which we are born into, live and die - no different than any other type of lower evolved creatures). The stormy scene is the violent and aggressive situation (and/or world) some people find themselves in it.
- The Child, The Hooded Clock & The Rain
[Arts-and-Entertainment:Poetry] The question about the clock or the "Hooded Clock" - Well, it represent a real clock, as well as a time representation which we are not "aware of" most of the time, as "time" is passing "us" by continuously, whether we like it or not, simply because we can not stop it! Whenever the clock strike, it really means that a small part of our lives here on earth has gone forever - how much left from our "contract" on earth? The truth is the passing time is taking "something" away from us "bit by bit" as we grow old and leave this world when the "contract" of living on earth, so to speak, is over!
- Fractured Moon
[Arts-and-Entertainment:Poetry] The connection between the Moon, the livings and the dead. The moon is the focus of many poets who looked at it and wrote what they saw, what they felt and what they imagined - sadly, according to scientists, the moon is moving away from us ( from earth ) few cm every year! You may feel a little bit "safer" looking at "The Full Moon" at noon, if you can see it, and may be with a different feeling when you see "The full Moon" at midnight - clearly that depend on who you are, where you are, your gender and whether you are alone or with someone close to you!
- You and Me
[Arts-and-Entertainment:Poetry] Do you know what the man in the dream told me? Do you know what the winter rain showed me? Do you know why an angel with your aura visited me?
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