Showing posts with label blog. Show all posts
Showing posts with label blog. Show all posts

Saturday, August 26, 2017

Instructional technology in teaching and learning sector

The instructional Technology in education

Learn about the modern science and technology at our updated blogs. We have found many restrictions and regulations in the technology about education. To day our first convince will be Instructional technology in teaching and learning sector.
Technology should a decisive role in its successful implementation and academic content standards. For example standards include expectations for students with fluent, with pencil and paper, based on technologies to calculate and methods of mental and with graphing calculator and computer display and analyze mathematical relationships. These expectations are certain abilities for the rich in the use of technology, rather than simple technology to the curriculum or classes support to interpret. Technology makes subjects for all students, including those with first world technology; there should be a decisive role in its successful implementation and academic content standards. The expectations in the modern technology should reflect the appropriate use of technology in standards, criteria and indicators to fabricate. For example standards include expectations for students with fluent, with pencil and paper, based on technologies to calculate and methods of mental and with graphing calculator and computer display and analyze mathematical relationships. These expectations are certain abilities for the rich in the use of technology, rather than simple technology to the curriculum or classes support to interpret. Technology makes subjects for all students including those with special needs available are. Options, to maximize the students their strengths and successes in the curriculum on the basis of standards through towers based on technology and support measures. For example, specialized technology to improve opportunities for students with physical disabilities to develop and demonstrate skills and concepts of mathematics. Technology affects how we play and how we live our lives, how we work. The impact of technology in the classroom you need in math and science teachers efforts to each student a "not opportunities and resources to develop the linguistic skills that reach her goals in life and take part in informed, productive members of society, be over emphasized.
The technology provides teachers with educational technology tools that they need to work more effectively and be more responsive to the needs of their students. Select suitable technology tools to give teachers an opportunity to build conceptual knowledge of students and connect their learning problem found in the world. Technology tools such as Inspiration® technology, stellar night, and Web Quest and Port portal allow students to use different strategies such as research, resolution of problems, creative thinking, and visual images.
Technology integration approach with maternal instructions-12 different technologies in everyday life and learning can be contained, for example, where using measuring rods, magnifiers, temperature sensors and computers that are part Of knowing teachers and students and, content teachers should use technology to allow students to conduct research and to participate in collaborative activities. In traditional or teacher-centered approaches, computer technology is more for exercise, training and mastering of basic skills is used. Teaching methods used in classroom teachers-centered because they complement the activities regulated by teachers and because they are used for exercise and training, the teacher's choice and the teacher are assigned the software. The relevance of youth life technology and technology ability to improve the effectiveness of teachers contributes to increasing student performance in new and exciting ways.

Monday, July 10, 2017

Spiral Galaxy NGC 1512 hide in the plain sight

Beautiful starlit galaxies with majestic spiral arms just like our own Milky Way--consist of flat, rotating disks composed of billions of sparkling, fiery stars, dust, and gas, with a central concentration of stars termed a bulge. These spirals are also encircled by a faint halo of stars, many of which inhabit globular clusters. Spiral galaxies got their name because of their spiral arms that make them look like enormous sparkling star-blasted pin-wheels whirling around in space--and the lovely spiral arms extend from the center of the galaxy into the disk. In March 2016, astronomers announced that they have made the surprising discovery of a strange, new, and distant kind of galactic pin-wheel in the sky, whirling majestically in the dark wilderness of intergalactic space. These newly discovered galactic behemoths have been named super spirals, and they dwarf our own large spiral Milky Way--competing in brightness and size with the largest galactic denizens of the Universe. Super spirals have hidden in plain sight for a very long time. They hide by mimicking the appearance of the more typical batch of ordinary spirals.
NGC 1512 image


The new study, using archived NASA data, demonstrates that these seemingly nearby structures are in fact distant, and giant versions of typical spiral galaxies, like our own. These rare super spiral galaxies sing a siren's song to curious researchers who try to find a solution to the intriguing mystery of how such behemoths could have arisen. The billions of starlit galaxies that inhabit our Universe today were born a very long time ago, and their stellar inhabitants lit up what was previously an ancient swath of featureless darkness. This brilliant cosmological fireworks display occurred less than a billion years after the Big Bang birth of the Universe almost 14 billion years ago. The prevailing, and most recent, explanation for the emergence of galaxies so very long ago--playfully referred to as the "bottom-up" theory--indicates that large galaxies were uncommon inhabitants of the ancient Universe, and that they finally attained their large and majestic sizes as a result of mergers occurring between considerably smaller, shapeless protogalactic blobs. Disk galaxies, such as our Milky Way, are famous for their starlit arms. However, there is another class of galaxies that display less well-defined structures, termed lenticular galaxies. Lenticulars, like their spiral cousins, sport flattened, circular regions composed of gas and dust. Indeed, lenticulars are defined by their display of pancake-shaped regions of dust and gas that distinguish them from their elliptical galactic relatives. In contrast to their spiral kin that display structure and organization, ellipticals are more three-dimensional, and show very little in the way of structure. The sparkling stellar constituents of ellipticals travel in, more or less, random orbits around the center of their host galaxies. Lenticular galaxies are considered to be intermediate structures between spirals and ellipticals. This is the reason why ellipticals are frequently referred to as "armless spiral galaxies," because they display a bulge, but no indication of pin-wheel-like spiral arms. According to the bottom-up theory of galactic birth, large galaxies ultimately attained their enormous and majestic sizes as a result of mergers between smaller proto-galaxies zipping around in the ancient Universe. The earliest galaxies furiously gave birth to brilliant and sparkling neonatal proto-stars. Primordial star-burst galaxies were only about one-tenth the size of our Milky Way, but they were just as fabulously fiery with blasts of starlight because of these amazingly furious episodes of starry fireworks. Galaxies were born in the featureless, dark swath that was the primordial Universe when opaque clouds of primarily hydrogen gas gathered together along massive filaments of invisible dark matter. Even though scientists have not as yet determined the identity of the particles that compose the dark matter, it is generally thought that it is not composed of so-called "ordinary" atomic matter, termed baryonic matter. The very badly misnamed "ordinary" atomic matter is the truly extraordinary material that composes stars, planets, moons, and people literally all of the atomic elements listed in the familiar Periodic Table. The very extraordinary "ordinary" atomic matter composes a mere 4.6% of the Universe, while dark matter accounts for a considerably more abundant 24% of it. The lion's share of the Universe 71.4% of it is made up of the truly weird and mysterious dark energy. Dark energy is a bizarre substance, thought by many scientists to be a property of space itself--and it is causing the Universe to speed up in its relentless expansion. In the very ancient Universe, especially dense regions of dark matter exerted an irresistible gravitational pull on wandering, floating clouds of pristine gas. Dark matter does not interact with atomic matter or electromagnetic radiation except through the force of gravity. However, because it does interact with "ordinary" atomic matter, and it warps and bends the path light takes (gravitational Lansing), it shows its ghostly presence in the Cosmos despite its haunting invisibility. Gravitational lending was first proposed by Albert Einstein when he came to the realization that gravity had the ability to warp and bend traveling light and therefore exert lens-like effects. Ghostly and strange, the invisible dark matter trapped clouds of pristine gas. Thus, these clouds of ancient gases became the strange cradles of the first generation of brilliant newborn stars that lit up the previously dark and featureless Universe. The massive filaments of dark matter that spun a mysterious Cosmic Web throughout Space and Time, snatched up its baryonic prey until the trapped clouds of gas formed blobs that sunk down, down, down like black sequins into the centers of these phantom-like, ghostly, and invisible halos of dark matter. Slowly, relentlessly, the swirling sea of primordial gases and the haunting, eerie, phantom-like dark matter, floated throughout the primordial Universe, combining together to ultimately create the distinct and familiar structures that we observe today. Areas of greater density within the filaments of dark matter, weaving the mysterious Cosmic Web, flowed through the entire early Universe and became the precious seeds from which the galaxies emerged. The gravitational lure of those primordial seeds slowly embraced the ancient gases, which then formed ever tighter and tighter clouds. Most astronomers think that these clouds of gas began to gather together in clusters, and that these proto-galaxies, both large and small, performed a strange dance together that created increasingly larger and larger galactic structures. The proto-galaxies danced around together as the result of gravity, forming increasingly vast structures destined to become the enormous, majestic galaxies of our Cosmos. Like bits of dough in the hands of a pastry chef, the proto-galaxies smacked into each other to form ever-larger masses. The early Universe was much smaller then it is now and extremely crowded. Therefore, the proto-galaxies frequently bumped into one another and stuck together.

Tuesday, June 13, 2017

What is Water jet cutting machine | advance science and technology news

Water jet cutting Machine using to cut anything

 

 Introduction


Scientists and the engineer are always tried to make alternate way how to increase the benefit of technology. As a result there is a huge competition in technology. Which companies make their product well and which companies make their product very usable and synthetic it is now a mind blowing question today. 

The other fact is that who make the new technology, so it is very important for a well development product. So today we will see the newest but oldest technology about how to cut any metal by water. Also we will learn how we can use high pressure energy to produce any work energy. In ancient time there were no alternative ways to break and cut any metal like this technology. The mind blowing inventions in the science and technology make the human life easier and comfortable. It is really true for giving someone assurance that water can cut any kind of metal where it is very hard or very wide/depth. So it is possible only when one can get proper idea from the machine. We will learn about the machine which is called jet cutting machine. It must be discovered in recent years and it is get popularity in many countries companies. In the great construction building there is impossible to use the heavy weight machine to cut any portion of metal and anything. So this machine can solve this problem and it easy to carry anywhere. On the other hand it is only a few weights which are light to carry. It is discovered by a group of young scientists. It is really a wonderful invention in human kind.
How it works

For cutting anything you have to make sure that your instrument is setup properly. Then set the equipment into the bottom of the jet cutting machine. Water may be pure and it should be put in the jar in the machine. When your setup will be ready then start the machine and see what happen in this time. You will be really astonished after seeing this. When you will cut something the water possesses the potential energy and when the water will push then we must have to remain that the pressure is very high. The water will be pushed at high speed, over 50,000 psi. If you want to make it better then you have to modify the machine. So this is the process how one can cut any kind of metal by only water.

The energy in the machine is  required for cutting any kind of  materials is obtained by pressurizing water to ultra-high pressures and forming an extreme cutting stream by focusing this high-speed water through a small, expensive-stone orifice ( an opening or hole of anything is just one). There are mainly two steps by cutting the Jet cutting machine


1. The (E.S.P.) Electric Servo Pump is used for generally to pressurize the normal water at high pressure levels, which may be at extreme value of 50,000 psi. The maximum high speed pressure will help to produce required the energy for cutting the required metal. Then the streamline is focused to cut the metal at high-speed through a small tube of orifice which is extremely without radius. Actually if you calculate the speed of sound it will be the three times of the sound of speed. It is depending on how much force is needed to cut it and how much force we have to exert on it.


2. The machine requires very high energy and as a result its power is great and it will be kept always cool. Because it gives the high speed and required pressure for cut the required metal. The speed of the stream is needed to fix when cut the metal because when it will not get the excess pressure it cannot cut properly the metal.


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