The ``Hippy Movement’’ was a youth movement in the US that occurred in the 1960s. It comprised of a group of individuals who were against social and political orthodoxy as they chose a philosophy that was for personal freedom‚ love and peace (Hughes and Richard 2014). It is worthy to note that the hippies rebuffed established bodies‚ opposed the Vietnam War and the usage of nuclear weapons as well as criticized the values of the middle class. In addition‚ the hippies were vegetarians and eco-friendly
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Chemical elements listed by electro negativity This list contains the 118 elements of chemistry. The chemical elements of the periodic chart sorted by: | Electro- negativity | Name chemical element | Symbol | Atomic number | - Name alphabetically | 0.7 | Actinium | Ac | 89 | - Atomic number | 0.79 | Lanthanum | La | 57 | - Symbol | 0.82 | Potassium | K | 19 | - Atomic Mass | 0.82 | Strontium | Sr | 38 | - Electro negativity | 0.89 | Cerium | Ce | 58 | - Density | 0.89 | Thorium |
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OPTICAL FIBER COMMUNICATION Zafar Yasin OUTLINE - Introduction about Optical Fibers. Main Characteristics of Fiber Optics Communication System. Light propagation in an Optical Fiber. Mode Analysis for Single Mode Fiber. Mode Analysis for Multimode Fibers. Surface Plasmon Resonance. Optical Fiber Surface Plasmon Resonance Sensors. Fibre Optic? Dielectric waveguide of cylindrical geometry with core and cladding of suitable material. refractive index of core > refractive index of
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Even in an Electronic Era‚ Reading and Writing Lives on David Crystal’s writing‚ "2B or Not 2B"‚ describes the implications of reading and writing from new texting technologies. Emerging avenues for writing include the new texting language‚ the outcome of texting on literacy‚ and the innovative possibilities of texting on our language (Crystal 899). Dennis Baron’s writing‚ “Should Everybody Write?”‚ On the other hand‚ shows how the different evolutionary steps of writing add density to the requirement
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Transport Phenomenon (Electrical and Thermal) in two allotropic forms of Carbon (Diamond and Graphite) Graphite and Diamond both are formed from carbon (two allotropic forms of carbon). Though they have similar constituent element‚ they differ a lot in their properties. Diamond is a good thermal conductor but a bad electrical conductor‚ while graphite is a bad thermal conductor but a good electrical conductor. This is one example of their property difference. The difference in their properties
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Biosphere is defined as that part of the earth and atmosphere in which many smaller ecosystems exist and operate. Three main subdivisions of the biosphere are lithosphere (solid matter); hydrosphere (liquid matter)‚ and atmosphere or the gaseous envelope of the earth which extends up to a height of 22.5 km. The area of contact and interaction between these components is really important for life‚ for it is here that the entire life is confined and the basic processes of life like photosynthesis and
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52 Chemical Bonding and Molecular Structure 53 I. Structure of Matter (20%) B. Chemical bonding 1. Binding forces a. Types: ionic‚ covalent‚ metallic‚ hydrogen bonding‚ van der Waals (including London dispersion forces) c. Polarity of bonds‚ electronegativities 2. Molecular models a. Lewis structures TYPES OF CHEMICAL BONDING Ionic Bonding - two atoms of opposite charge electrically attracted to one another Covalent Bonding - two atoms each sharing electrons within a molecular orbital Metallic
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EMERGING NANOTECHNOLOGY APPLICATIONS IN PETROLEUM INDUSTRY Introduction Nanotech applications & Nanoparticles have been successfully used in drilling mud for the Last 40-50 years. Recently the other disciplines of the oil industry‚ such as exploration‚ primary and assisted production‚ monitoring‚ refining and distribution‚ are approaching nanotechnologies due to its immense Potential for Confronting challenges‚ performance improvement & cost. Especially in ultra-deep water and artic environments
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processes. Another use is to treat diseased organs or tumors by “killing cancerous cells” (Ioffe). This process is called radiation therapy. Some examples of the radioisotopes in this process are “Iodine-131‚ phosphorus-32” and for “more radical uses‚ Boron-10 to specifically attack tumor cells” (Ioffe). In the process‚ radioactive elements are inserted near the tumor. Radiation is more harmful to growing cells and cancerous cells grow at an uncontrolled rate‚ giving them a disadvantage to radiation exposure
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What are mineral resources? Mineral resources are the natural resources which cannot be renewed. Examples of mineral resources Gold Salt Tin Limestone Iron ore Coal Iron Manganese Rubber Aluminium Marbles They are also used to produce useful things. Some of these useful things are: Soap Jewelleries e.g. chain bracelet e.t.c. Batteries And so on NAMES OF MINERAL RESOURCES‚ WHERE IT IS FOUND AND ITS USES. Limestone: Limestone is a sedimentary
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