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Jac Londe

Making Oil from Plastic - 34 views

  • Making Oil from Plastic
  • Tons of plastic from Japan and US is left afloat in the Pacific Ocean, which is endangering marine life significantly.
  • Blest, a Japanese company has invented a safe and user friendly machine
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  • The machine is effective in recycling different kinds of plastic into oil.
  • Utilization doesn't just take into account the 20 percent of recycled plastic. But it also considers the incinerated 52 percent used for energy recovery like generating electric power or heat. Akinori Ito says "If we burn the plastic, we generate toxins and a large amount of CO2. If we convert it into oil, we prohibit CO2 production and at the same time, increase people's awareness about the value of plastic garbage"
  • Oil from Shale: Oil can be extracted from this fine grained, organic rich, sedimentary rock through pyrolysis, thermal dissolution or hyderogentation. Shale contains high concentrations of organic chemical compounds known as Kerogen. From this solid mixture, oil is extracted through chemical process. Shale can be effective converted into combustible oil shale gas and liquid hydrocarbons (shale oil). Global deposits of Shale are estimated to be around 2.8 trillion to 3.3 trillion barrels of restorable oil. Planet earth is blessed with about 600 known oil shale deposits, most of which is found in United States of America. Although several countries have oil hale deposits, known deposits of economic importance is found only in 33 countries.
Martin Burrett

Stop Laminating! - Schools challenged to go single-use plastic free by 2022 - 13 views

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    "The Education Secretary has today urged all schools to eliminate their use of single use plastics by 2022. Damian Hinds has called on senior leaders in schools to stop using items such as plastic bags, straws, bottles and food packaging in favour of sustainable alternatives, and invited them to start a conversation with pupils about the effects discarded plastics have on the environment and wildlife."
Monica Lawrence

Heating Plastics - 57 views

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    a simple game that explains the process of making plastics
Nigel Coutts

Tinkering with Old Technology - The Learner's Way - 27 views

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    As technology evolves and its inner workings increasingly disappear from view, replaced with solid-state parts hidden by glass, aluminium and plastic, our understanding of what makes the world operate is similarly impeded. When machinery from just a few decades ago is viewed a world of moving parts, linkages, cogs and levers is revealed. These mechanical objects contain an inherent beauty and inspire curiosity in ways that modern devices with their pristine surfaces and simplified design language do not. Opportunities to explore devices from the past open our eyes and lead us to new questions of how our devices function, how machines do the jobs we need them to do and how engineers solve problems.
Marc Patton

Scientific Learning - Fast ForWord Reading Program | Educational Brain Fitness Software - 0 views

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    Accelerate Learning Apply innovative technology based on more than 30 years of brain plasticity research to accelerate learning for students of all ages and abilities.
Roland Gesthuizen

International Society for Technology in Education - Blog > Words of Wisdom from a Late ... - 5 views

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    When I was a kid, one of my prize possessions was a big, red Swiss Army knife. It had everything from a plastic toothpick and a spoon to a bottle opener and screwdriver. I used it for all kinds of projects, and I always had it with me just in case someone needed to pry something open or tighten something down. Today I carry a more modern multipurpose tool-the smartphone.
Kenuvis Romero

Memory - Wikipedia, the free encyclopedia - 0 views

  • Encoding of working memory involves the spiking of individual neurons induced by sensory input, which persists even after the sensory input disappears (Jensen and Lisman 2005; Fransen et al. 2002). Encoding of episodic memory involves persistent changes in molecular structures that alter synaptic transmission between neurons. Examples of such structural changes include long-term potentiation (LTP) or spike-timing-dependent plasticity (STDP). The persistent spiking in working memory can enhance the synaptic and cellular changes in the encoding of episodic memory (Jensen and Lisman 2005).
  • Recent functional imaging studies detected working memory signals in both medial temporal lobe (MTL), a brain area strongly associated with long-term memory, and prefrontal cortex (Ranganath et al. 2005), suggesting a strong relationship between working memory and long-term memory. However, the substantially more working memory signals seen in the prefrontal lobe suggest that this area play a more important role in working memory than MTL (Suzuki 2007).
  • Consolidation and reconsolidation. Short-term memory (STM) is temporary and subject to disruption, while long-term memory (LTM), once consolidated, is persistent and stable. Consolidation of STM into LTM at the molecular level presumably involves two processes: synaptic consolidation and system consolidation. The former involves a protein synthesis process in the medial temporal lobe (MTL), whereas the latter transforms the MTL-dependent memory into an MTL-independent memory over months to years (Ledoux 2007). In recent years, such traditional consolidation dogma has been re-evaluated as a result of the studies on reconsolidation. These studies showed that prevention after retrieval affects subsequent retrieval of the memory (Sara 2000). New studies have shown that post-retrieval treatment with protein synthesis inhibitors and many other compounds can lead to an amnestic state (Nadel et al. 2000b; Alberini 2005; Dudai 2006). These findings on reconsolidation fit with the behavioral evidence that retrieved memory is not a carbon copy of the initial experiences, and memories are updated during retrieval.
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  • Physical exercise, particularly continuous aerobic exercises such as running, cycling and swimming, has many cognitive benefits and effects on the brain. Influences on the brain include increases in neurotransmitter levels, improved oxygen and nutrient delivery, and increased neurogenesis in the hippocampus. The effects of exercise on memory have important implications for improving children's academic performance, maintaining mental abilities in old age, and the prevention and potential cure of neurological diseases.
  • At the Center for Cognitive Science at Ohio State University, researchers have found that memory accuracy of adults is hurt by the fact that they know more, and have more experience than children, and tend to apply all this knowledge when learning new information. The findings appeared in the August 2004 edition of the journal Psychological Science.
  • Interference can hamper memorization and retrieval. There is retroactive interference, when learning new information makes it harder to recall old information[59] and proactive interference, where prior learning disrupts recall of new information. Although interference can lead to forgetting, it is important to keep in mind that there are situations when old information can facilitate learning of new information. Knowing Latin, for instance, can help an individual learn a related language such as French – this phenomenon is known as positive transfer.[60]
  • Methods to optimize memorization[edit] Memorization is a method of learning that allows an individual to recall information verbatim. Rote learning is the method most often used. Methods of memorizing things have been the subject of much discussion over the years with some writers, such as Cosmos Rossellius using visual alphabets. The spacing effect shows that an individual is more likely to remember a list of items when rehearsal is spaced over an extended period of time. In contrast to this is cramming which is intensive memorization in a short period of time. Also relevant is the Zeigarnik effect which states that people remember uncompleted or interrupted tasks better than completed ones. The so-called Method of loci uses spatial memory to memorize non-spatial information.[72]
Martin Burrett

Every School needs a School Library by @ElizabetHutch - 10 views

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    "I love school libraries! Well you would, I hear you say, you're a librarian. My love of school libraries is not about being able to work in a room in a school with a lot of books, or my ability to sit and read books all day (I wish) or even being able to play with the bleepy scanny thing (that is one of the many names for the book issue scanner). Nor is it my love for school libraries based on sorting out photocopier jams, or peeling the plastic from yet another laminator jam, or being called the library lady, shelf sorter or any other name that teachers or students can think of when what they are looking for is the librarian. Joking aside my love of school libraries is their ability to support and create literate, independent learners and this is why teachers should love them too."
Quynh Vu Do

Ocean Plastic Solutions from Cities, Brands & Waste Collectors - 2 views

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    Podcast (29 mn) and transcript from Liz Bothwell talk on June 29, 2020
Trevor Cunningham

Mapping Plastic Pollution - 67 views

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    Environmental learning - Great Pacific Garbage Patch .kml files and lessons for grades 4-12.
Maureen Greenbaum

Sugata Mitra - the professor with his head in the cloud | Education | The Guardian - 16 views

  • “A generation of children has grown up with continuous connectivity to the internet. A few years ago, nobody had a piece of plastic to which they could ask questions and have it answer back. The Greeks spoke of the oracle of Delphi. We’ve created it. People don’t talk to a machine. They talk to a huge collective of people, a kind of hive. Our generation [Mitra is 64] doesn’t see that. We just see a lot of interlinked web pages
  • “Within five years, you will not be able to tell if somebody is consulting the internet or not. The internet will be inside our heads anywhere and at any time. What then will be the value of knowing things? We shall have acquired a new sense. Knowing will have become collective.”
  • if you imagine me and my phone as a single entity, yes. Very soon, asking somebody to read without their phone will be like telling them to read without their glasses.”
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  • Twenty children are asked a “big question” such as “Why do we learn history?”, “Is the universe infinite?”, “Should children ever go to prison?” or “How do bees make honey?” They are then left to find the answers using five computers. The ratio of four children to one computer is deliberate: Mitra insists that the children must collaborate. “There should be chaos, noise, discussion and running about,” he says.
  • . Year 4 children (aged eight to nine) were given questions from GCSE physics and biology papers. After using their Sole computers for 45 minutes, their average test scores on three sets of questions were 25%, 26% and 13%. Three months later – the school having taught nothing on these subjects in the interim – they were tested again, individually and without warning. The scores rose to 57%, 80% and 16% respectively, suggesting the children continued researching the questions in their own time.
  • he says the main benefit of his methods is that children’s self-confidence increases so that they challenge adult perceptions.
  • the propositions that children can benefit from collaborative learning and that banning internet use from exams will get trickier, to the point where it may prove futile. It’s worth remembering that new technologies nearly always deliver less than we expect at first and far more than we expect later on, often in unexpected ways.
H DeWaard

5 Reasons Why Origami Improves Students' Skills | Edutopia - 59 views

  • origami
  • This art form engages students and sneakily enhances their skills -- including improved spatial perception and logical and sequential thinking.
  • Here are some ways that origami can be used in your classroom to improve a range of skills:
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  • Geometry
  • According to the National Center for Education Statistics in 2003, geometry was one area of weakness among American students.
  • Origami has been found to strengthen an understanding of geometric concepts, formulas, and labels, making them come alive.
  • Thinking Skills
  • Origami excites other modalities of learning. It has been shown to improve spatial visualization skills using hands-on learning.
  • Fractions
  • Folding paper can demonstrate the fractions in a tactile way.
  • Problem Solving
  • Often in assignments, there is one set answer and one way to get there. Origami provides children an opportunity to solve something that isn't prescribed and gives them a chance to make friends with failure (i.e. trial and error).
  • Origami is a fun way to explain physics concepts. A thin piece of paper is not very strong, but if you fold it like an accordion it will be.
  • Researchers have found that students who use origami in math perform better.
  • STEAM
  • While schools are still catching up to the idea of origami as a STEAM engine (the merging of these disciplines), origami is already being used to solve tough problems in technology.
  • Additionally, the National Science Foundation, one of the government's largest funding agencies, has supported a few programs that link engineers with artists to use origami in designs. The ideas range from medical forceps to foldable plastic solar panels.
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    Origami, the ancient art of paper folding, has applications in the modern-day classroom for teaching geometry, thinking skills, fractions, problem solving, and fun science.
Dave Eveland

This is How Apple Changes Education, Forever - 4 views

  • have a theory, though. I think Apple will introduce a Classroom iPad for $199 before the year is out. Pure speculation? Absolutely. However, considering how serious Apple is about improving the state of education, this makes real sense. I imagine it will be a 1024×768, 9.7-inch screen (while the iPad 3 gets the Retina Display and maybe changes size or shape), with a plastic back and rugged shell that only the school can remove. There will be a single, rear-facing camera, and the tablet will be locked down with access to the iBooks 2 app and pre-loaded textbooks. Safari will come pre-loaded, but it’ll run through Apple’s special proxy education server (yes, I’m making that up, too).There will be no App Store or iTunes account associated with it and schools will manage all of them centrally.
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    Be interesting to use this in a class discussion on the viability of the iPad or other similar devices as content consumption and/or creation devices along side the debate that has to do with how textbooks are changing.
Andrew McCluskey

Occupy Your Brain - 111 views

  • One of the most profound changes that occurs when modern schooling is introduced into traditional societies around the world is a radical shift in the locus of power and control over learning from children, families, and communities to ever more centralized systems of authority.
  • Once learning is institutionalized under a central authority, both freedom for the individual and respect for the local are radically curtailed.  The child in a classroom generally finds herself in a situation where she may not move, speak, laugh, sing, eat, drink, read, think her own thoughts, or even  use the toilet without explicit permission from an authority figure.
  • In what should be considered a chilling development, there are murmurings of the idea of creating global standards for education – in other words, the creation of a single centralized authority dictating what every child on the planet must learn.
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  • In “developed” societies, we are so accustomed to centralized control over learning that it has become functionally invisible to us, and most people accept it as natural, inevitable, and consistent with the principles of freedom and democracy.   We assume that this central authority, because it is associated with something that seems like an unequivocal good – “education” – must itself be fundamentally good, a sort of benevolent dictatorship of the intellect. 
  • We endorse strict legal codes which render this process compulsory, and in a truly Orwellian twist, many of us now view it as a fundamental human right to be legally compelled to learn what a higher authority tells us to learn.
  • And yet the idea of centrally-controlled education is as problematic as the idea of centrally-controlled media – and for exactly the same reasons.
  • The First Amendment of the U.S. Constitution was designed to protect all forms of communication, information-sharing, knowledge, opinion and belief – what the Supreme Court has termed “the sphere of intellect and spirit” – from government control.
  • by the mid-19th century, with Indians still to conquer and waves of immigrants to assimilate, the temptation to find a way to manage the minds of an increasingly diverse and independent-minded population became too great to resist, and the idea of the Common School was born.
  • We would keep our freedom of speech and press, but first we would all be well-schooled by those in power.
  • A deeply democratic idea — the free and equal education of every child — was wedded to a deeply anti-democratic idea — that this education would be controlled from the top down by state-appointed educrats.
  • The fundamental point of the Occupy Wall Street movement is that the apparatus of democratic government has been completely bought and paid for by a tiny number of grotesquely wealthy individuals, corporations, and lobbying groups.  Our votes no longer matter.  Our wishes no longer count.  Our power as citizens has been sold to the highest bidder.
  • Our kids are so drowned in disconnected information that it becomes quite random what they do and don’t remember, and they’re so overburdened with endless homework and tests that they have little time or energy to pay attention to what’s happening in the world around them.
  • If in ten years we can create Wikipedia out of thin air, what could we create if we trusted our children, our teachers, our parents, our neighbors, to generate community learning webs that are open, alive, and responsive to individual needs and aspirations?  What could we create if instead of trying to “scale up” every innovation into a monolithic bureaucracy we “scaled down” to allow local and individual control, freedom, experimentation, and diversity?
  • The most academically “gifted” students excel at obedience, instinctively shaping their thinking to the prescribed curriculum and unconsciously framing out of their awareness ideas that won’t earn the praise of their superiors.  Those who resist sitting still for this process are marginalized, labeled as less intelligent or even as mildly brain-damaged, and, increasingly, drugged into compliance.
  • the very root, the very essence, of any theory of democratic liberty is a basic trust in the fundamental intelligence of the ordinary person.   Democracy rests on the premise that the ordinary person — the waitress, the carpenter, the shopkeeper — is competent to make her own judgments about matters of domestic policy, international affairs, taxes, justice, peace, and war, and that the government must abide by the decisions of ordinary people, not vice versa.  Of course that’s not the way our system really works, and never has been.   But most of us recall at some deep level of our beings that any vision of a just world relies on this fundamental respect for the common sense of the ordinary human being.
  • This is what we spend our childhood in school unlearning. 
  • If before we reach the age of majority we must submit our brains for twelve years of evaluation and control by government experts, are we then truly free to exercise our vote according to the dictates of our own common sense and conscience?  Do we even know what our own common sense is anymore?
  • We live in a country where a serious candidate for the Presidency is unaware that China has nuclear weapons, where half the population does not understand that Saddam Hussein had nothing to do with 9/11, where nobody pays attention as Congress dismantles the securities regulations that limit the power of the banks, where 45% of American high school students graduate without knowing that the First Amendment of the Constitution guarantees freedom of the press.   At what point do we begin to ask ourselves if we are trying to control quality in the wrong way?
  • Human beings, collaborating with one another in voluntary relationships, communicating and checking and counter-checking and elaborating and expanding on one another’s knowledge and intelligence, have created a collective public resource more vast and more alive than anything that has ever existed on the planet.
  • But this is not a paeon to technology; this is about what human intelligence is capable of when people are free to interact in open, horizontal, non-hierarchical networks of communication and collaboration.
  • Positive social change has occurred not through top-down, hierarchically controlled organizations, but through what the Berkana Institute calls “emergence,” where people begin networking and forming voluntary communities of practice. When the goal is to maximize the functioning of human intelligence, you need to activate the unique skills, talents, and knowledge bases of diverse individuals, not put everybody through a uniform mill to produce uniform results. 
  • You need a non-punitive structure that encourages collaboration rather than competition, risk-taking rather than mistake-avoidance, and innovation rather than repetition of known quantities.
  • if we really want to return power to the 99% in a lasting, stable, sustainable way, we need to begin the work of creating open, egalitarian, horizontal networks of learning in our communities.
  • They are taught to focus on competing with each other and gaming the system rather than on gaining a deep understanding of the way power flows through their world.
  • And what could we create, what ecological problems could we solve, what despair might we alleviate, if instead of imposing our rigid curriculum and the destructive economy it serves on the entire world, we embraced as part of our vast collective intelligence the wisdom and knowledge of the world’s thousands of sustainable indigenous cultures?
  • They knew this about their situation: nobody was on their side.  Certainly not the moneyed classes and the economic system, and not the government, either.  So if they were going to change anything, it had to come out of themselves.
  • As our climate heats up, as mountaintops are removed from Orissa to West Virginia, as the oceans fill with plastic and soils become too contaminated to grow food, as the economy crumbles and children go hungry and the 0.001% grows so concentrated, so powerful, so wealthy that democracy becomes impossible, it’s time to ask ourselves; who’s educating us?  To what end?  The Adivasis are occupying their forests and mountains as our children are occupying our cities and parks.  But they understand that the first thing they must take back is their common sense. 
  • They must occupy their brains.
  • Isn’t it time for us to do the same?
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    Carol Black, creator of the documentary, "Schooling the World" discusses the conflicting ideas of centralized control of education and standardization against the so-called freedom to think independently--"what the Supreme Court has termed 'the sphere of intellect and spirit" (Black, 2012). Root questions: "who's educating us? to what end?" (Black, 2012).
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    This is a must read. Carol Black echoes here many of the ideas of Paulo Freire, John Taylor Gatto and the like.
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