The second point of educational technology is related to the'electronic innovation'with the introduction and establishment of innovative electronics and software.

Use of numerous audio-visual products like projector, miraculous lamps, tape-recorder, radio and television produced a revolutionary modify in the educational scenario.

Accordingly, academic engineering idea was taken when it comes to these innovative instruments and gadgets for powerful presentation of instructional materials.The third period of instructional engineering is connected with the development of bulk press which generated'interaction revolution'for instructional purposes.

Computer-assisted Training (CAI) useful for knowledge because 1950s also became common in this era.The fourth stage of instructional engineering is real by the individualized process of instruction.

The invention of designed understanding and programmed instruction presented a brand new dimension to instructional technology.lightweight text editor A method of self-learning centered on self-instructional products and teaching machines emerged.The newest notion of instructional engineering is influenced by the thought of process executive or process approach which is targeted on language laboratories, teaching devices, developed training, media technologies and the usage of the pc in instruction.

According to it, instructional engineering is a systematic way of designing, holding out and considering the total means of training and understanding in terms of unique objectives based on research.Educational technology, regardless of the uncertainty of the origin of the word, may be followed back once again to the time of the three-age program periodization of human prehistory; namely the Stone Age, the Bronze Age, and the Iron Age.Duringthe Rock Era, ignition of fireplace by rubbing stones, manufacture of varied handmade gun and products from rocks and apparel exercise were some of the easy technical developments of maximum importance.

The third stage of instructional engineering is linked with the growth of bulk media which led to'transmission revolution'for educational purposes.

Computer-assisted Instruction (CAI) useful for training because 1950s also became popular during this era.The next point of instructional engineering is noticeable by the individualized means of instruction.

The innovation of programmed understanding and developed training offered a fresh aspect to instructional technology.

A system of self-learning predicated on self-instructional products and teaching products emerged.The newest notion of educational technology is influenced by the thought of process design or process strategy which is targeted on language laboratories, teaching machines, set training, multimedia technologies and the use of the pc in instruction.

Based on it, instructional engineering is an organized means of developing, holding out and evaluating the sum total procedure for training and understanding with regards to Nigerian Information specific objectives predicated on research.Educational technology, despite the uncertainty of the source of the term, could be traced back once again to the full time of the three-age program periodization of individual prehistory; particularly the Stone Era, the Bronze Era, and the Metal Age.Duringthe Stone Era, ignition of fireplace by scrubbing stones, production of varied handmade weapon and utensils from rocks and clothing training were a number of the easy scientific developments of maximum importance.

A fraction of Stone Era persons created ocean-worthy outrigger kayak ship technology to migrate from one position to another throughout the Sea, by that they developed their first informal education of familiarity with the water currents, climate conditions,sailing training, astronavigation, and star maps.

The world's oceans are faced with an unprecedented loss of species comparable to the great mass extinctions of prehistory, a major report suggests today.

The seas are degenerating far faster than anyone has predicted, the report says, because of the cumulative impact of a number of severe individual stresses, ranging from climate warming and sea-water acidification, to widespread chemical pollution and gross overfishing.The coming together of these factors is now threatening the marine environment with a catastrophe "unprecedented in human history", according to the report, from a panel of leading marine scientists brought together in Oxford earlier this year by the International Programme on the State of the Ocean (IPSO) and the International Union for the Conservation of Nature (IUCN).The stark suggestion made by the panel is that the potential extinction of species, from large fish at one end of the scale to tiny corals at the other, is directly comparable to the five great mass extinctions in the geological record, during each of which much of the world's life died out.

They range from the Ordovician-Silurian "event" of 450 million years ago, to the Cretaceous-Tertiary extinction of 65 million years ago, which is believed to have wiped out the dinosaurs.

The worst of them, the event at the end of the Permian period, 251 million years ago, is thought to have eliminated 70 per cent of species on land and 96 per cent of all species in the sea.The panel of 27 scientists, who considered the latest research from all areas of marine science, concluded that a "combination of stressors is creating the conditions associated with every previous major extinction of species in Earth's history".

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Various educationists, scientists and philosophers at various time intervals have put forwarded various meanings of Educational Technology.

Academic engineering is a complex and incorporated process involving people, treatment, some ideas, products, and firm, wherever engineering from various areas of technology is lent according to the necessity and requirement of knowledge for utilizing, assessing, and handling methods to those issues involved with all facets of human learning.The initial period of academic technology is along with the utilization of aids like graphs, maps, representations, versions, specimens and cement materials.

The term educational technology was used as synonyms to audio-visual aids.The 2nd period of educational engineering is connected with the'electronic innovation'with the release and establishment of sophisticated electronics and software.

Use of numerous audio-visual aids like projector, secret lanterns, tape-recorder, radio and tv produced a progressive modify in the academic scenario.

Accordingly, instructional technology notion was taken with regards to these innovative tools and tools for successful presentation of educational materials.The third point of instructional engineering is linked with the progress of mass media which generated'communication innovation'for educational purposes.

In accordance with it, educational technology is an organized way of developing, holding out and considering the sum total procedure for teaching and understanding with regards to unique objectives based on research.Educational engineering, regardless of the uncertainty of the origin of the word, could be tracked back once again to the time of the three-age process periodization of individual prehistory; namely Different AC technology Rock Era, the Bronze Era, and the Metal Age.Duringthe Stone Age, ignition of fire by rubbing rocks, manufacture of varied handmade gun and utensils from stones and apparel exercise were some of the easy technical developments of utmost importance.