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ToK Green Technology Presentation

Transcript: Conventional Cons of Hydropower Scientists in support of nanotechnology praise the concept Liberal Olympia: Go Green! Southern and Eastern Washington: hesitant or disbelieving Perspective shifts everywhere you go To what extent does the personal bias of researchers and scientists affect society's welfare and understanding of nanotechnology? Humanity vs. Nature India My Perspective Future Prospects Is it reasonable to use nanotechnology as a solution to environmental problems today? Are its implications valid? Improving environment and reducing toxins in the air Conclusion winstontechsalem.blogspot.com Hydropower is SOOO GOOOD!!!! Ethics good of the individual vs. good of the community environmental responsibility benefit justifies cost? Social Sciences governmental involvement what motivates people Ethical Considerations Efficient Built with sustainable materials Climate-Specific Generally expensive Personal conclusion Theory of Knowledge and Architecture The Sun Data is more set on hopes rather than empirical data and experimentation Hydropower is SOOO BAAAAD!!! Run-of-the-river As for this point in time, the negative implications outnumber and outweigh the positive Sun Power Issues: Try to improve the environment Types of h-power Reduced CO2 emmisions What is the truth? Egypt Perspectives Nanotechnology Clean Ethical practical Expensive limited resources Hazardous Dangerous Pumped-storage Pros of hydropower Underground The science of manipulating materials on an atomic or molecular scale (nanoscale) What is Right What Benefits Most What You Want Treat or remediate existing environmental problems Green Technology: How Old is the Issue? Past Attempts Future Prospects Create more efficient use of resources, renewable energy, and environmental monitoring Natural Sciences rsc.org Societal influence Tide futurehi.net We naturally have a tendency to explore further, which can lead us into trouble Implications Knower's Perspective The Use of Solar and Nuclear Power Pros and Cons of Nuclear Power Experimentation Cheaper than other attempts to green technology Economy Danger to locals ...once completed with research... Make Electric Consumable Happier Consumers Benefits 20th Century Costly Not effectient Only the day History Ethics Natural Sciences What are the goals of Nanotechnology? “Health, safety, environmental and social issues.” Nanotechnology and Nanoscience . The Royal Society, Royal Academy of Engineering, 2003. Web. 9 Feb. 2012. <http://www.nanotec.org.uk/workshopOct03health.htm>. Morrison, Mark. “Introduction to Nanotechnology for the Environment.” European Nanotechnology Gateway. European Union, n.d. Web. 9 Feb. 2012. <http://www.nanoforum.org/educationtree/environment/environment.htm>. Schmidt, Karen F. Nanotechnology: It’s easier than you think. Nanotech Project. Woodrow Wilson International Center for Scholars, Apr. 2007. Web. 9 Feb. 2012. <http://www.nanotechproject.org/process/assets/files/2701/187_greennano_pen8.pdf>. "Nuclear Energy Pros and Cons" Triple Pundit. The presidio buz. web. 9 Feb. 2012 http://www.triplepundit.com/2009/02/nuclear-energy-pros-and-cons/ Ecosystem damage Ethics Military Family Views Increased methane emissions Pros and Cons of Solar Power Architecture Photo based on: 'horizon' by pierreyves @ flickr Positive and Negative My Perspective of Sun Power 1878- WIlliam George Armstrong Hydropower Fusion Power Nanotechnology can be a solution of the future. As for now, more research and manipulation of atoms should be conducted to ensure its safety The use of Solar and Nuclear Powers Works cited neurophilosophy.wordpress.com Three Gorges Dam Industrial uses GM's EV1 + Controversy Range = Scapegoat? Sustainability Solar power Nuclear Power Fusion Efficient Less gases Low operation costs Positive Implications Kashiwazaki-Kariwa Nuclear Power Plant Bruce Power Generating Station Cattenom nuclear power plant Uljin nuclear power plant Environment Notable Plants in the World What is "Green Architecture"? Notable Power Plants About 25,400,000 nanometers = 1 inch Negative Implications Is the reason behind research justifiable? Language barriers can limit what information is conveyed to the public Lasts longer and is much smaller compared to other large methods Olmedilla Photovoltaic Park, Spain Arnedo Solar Plant, Spain Solar Tres Power Tower Blythe Solar Project Natural Science ngoilgas.com Relative low cost Valid institutions and government organizations performing research Where will it end? Better than other forms of power winstontechsalem.blogspot.com Bind and remove or inactivate pollutants Pilkington Glass Dangerous to human health? Use of nanotechnology can easily get out of hand History Natural Sciences What I Think Ancient times Ethics Society How Old is the Issue? Prevents future exposure of toxins and harmful chemicals celsias.com Automobiles Past Attempts Knowledge Issues Knowledge Issues Resource Availability Infrastructure New Materials? Is it reasonable to use

Green technology presentation

Transcript: Presentated by Bruce and Greg Wind Power Overview Overview key concept and thesis statement Wind power or wind energy describes the process by which the wind is used to generate mechanical power or electricity. Wind turbines convert the kinetic energy in the wind into mechanical power. This mechanical power can be used for specific tasks (such as grinding grain or pumping water), or can be converted into electricity by a generator. In this presentation we will introduce the mechanism of wind power and analye its possitive outcome and drawbacks, which will eventually come to a conclusion. The power of wind The power of wind what is wind power How wind are form How wind are form Typically, this begins with the sun’s radiation, which is absorbed differently on the earth’s surface. The earth's surface is heated differently because of scenarios like cloud cover, mountains, valleys, water bodies, vegetation and desert lands. As a result of this uneven heating, there are bound to be earth surfaces that vary a lot in temperature. Air on surfaces with higher temperatures will then begin to rise because it is lighter (less dense). As the air rises, it creates low atmospheric pressure. Air on surfaces with cooler temperatures sink (do not rise). The sinking creates higher atmospheric pressure. This behaviour or warm gases or liquids moving upward and being replaced by cooler particles is called Convection. The energy moving during convection is called convectional current Map Map China China India India United State United State Europe Europe history history Text Text 1st century AD: For the first time in known history, a machine that powered by wind had been created by a Greek engineer, Heron of Alexandria. 1887: Scotland built the first known wind turbine used to produce electricity. The wind turbine is created by Professor James Blyth. This 10 m high, cloth-sailed wind turbine was installed in the garden of his holiday cottage, it was used to charge accumulators, power the lighting in the cottage, thus making it the first house in the world to have its electricity supplied by wind power. 1891: A Danish scientist, Poul la Cour, develops an electricity-generating wind turbine. In 1895 Poul la Cour converts this windmill into a prototype electrical power plant and used to provide electricity for lighting for a village. By 1900, there’s approximately 2,500 windmills are being used across Denmark for mechanical purposes, such as grinding grains and pumping water. 1975: The first US wind farm is put into use, producing enough power for up to 4,149 homes. 1991: The first offshore wind farm in the world is constructed in southern Denmark. 2010: Global wind power capacity reaches 197,039 megawatts. Timeline Timeline Timeline 1th century AD the first wind turbine that produce electricity 1887 1891 1991 The first wind-powered machine was built development of windmill the first WInd farm in The US Mechanism Mechanism https://www.youtube.com/watch?v=qSWm_nprfqE how does it work how does it work Wind energy have been harnessed for hundreds of years. From old Holland to farms in the United States, windmills have been used for pumping water or grinding grain. Today, the windmill modern equivalent - a wind turbine - can use the windenergy to generate electricity. Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind. Turbines catch the wind energy with their propeller-like blades. Usually, two or three blades are mounted on a shaft to form a rotor. A blade acts much like an airplane wing. When the wind blows, a pocket of low- pressure air forms on the downwind side of the blade. The low-pressure air pocket then pulls the blade toward it, causing the rotor to turn. This is called lift. The force of the lift is actually much stronger than the wind force against the front side of the blade, which is called drag. The combination of lift and drag causes the rotor to spin like a propeller, and the turning shaft spins a generator to make electricity. Wind turbines can be used as stand-alone applications, or they can be connected to a utility power grid. For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant. (http://www.renewableenergyworld.com/wind-power/tech.html) Possitive Outcome Possitive Outcome 1. This is an renewable resources 2. Environmental friendly Wind is a clean source of renewable energy that produces no air or water pollution. And since the wind is free, operational costs are nearly zero once a turbine is erected. Mass production and technology advances are making turbines cheaper, and many governments offer tax incentives to spur wind-energy development. Renewable Renewable (https://www.nationalgeographic.com/environment/global-warming/wind- power/) There is no green house gas emission and other form of polltion during

Green Technology

Transcript: Canada is ranked #9 on the World Map of CO2 Emissions Carbon Emission Footprint: In 2010, 549 million metric tons of CO2 emissions were produced in Canada (about 16 metric tons per capita) Solar Power Group 1 Angela Zhou Alex Chan Carissa Xie Olivia Ta Rutger Van Dorp Hyatt Regency New Brunswick in New Jersey Hotel Carlton, San Francisco Green Impact (Cont.) Efficiency Tremendous installation space required Location requirement for installations Green Impact Description of the technology Pros and Cons Potential competitive advantage or benefit(s) derived from implementation What Is Solar Power? How Does It Work? Solar panels (PV) production do create a small amount of CO2, but over the life of a solar installation it produces on average of 30 times less CO2 than coal power. This study looks at 3 countries and compares the amount of CO2 emissions for electricity consumption. Compared to coal and gas, solar PV can be considered as a greener option for the environment. Solar Thermal Green Impact Solar Energy Cost Saving Break Down Solar Panel for street lights Crowne Plaza Alice Springs at twilight Australia More cost efficient than high voltage wires MrSolar. (2012). Retrieved on October 7, 2012 from http://www.mrsolar.com/ Sunfire Systems Home. (2012). Retrieved on October 7, 2012 from http://www.sunfiresystems.ca/default.html Jinko Solar. (2012). Retrieved on October 7, 2012 from http://www.jinkosolar.com/ Forbes. (2012). Why Solar Energy is Flaming Out And Why The World Needs it to Happen Faster. Retrieved on October 7, 2012 from http://www.forbes.com/sites/joshwolfe/2011/03/04/why-solar-energy-is-flaming-out-and-why-the-world-needs-it-to-happen-faster/ Waste Management. (2012). Solar-Powered Trash Compactor, powered by BigBelly® Solar. Retrieved on October 7, 2012 from http://www.wm.com/enterprise/municipalities/community-solutions/solar-powered-trash compactor.jsp Environmental Science & Technology. (2008). Emissions from Photovoltaic Life Cycles. Retrieved on October 7, 2012 from http://pubs.acs.org/doi/full/10.1021/es071763q The Guardian. (2012). The world map of CO2 emissions. Retrieved on October 7, 2012 from http://www.guardian.co.uk/environment/datablog/interactive/2012/jun/21/world-carbon-emissions-map Mother Nature Network. (2012). How much CO2 does one solar panel create? Retrieved on October 7, 2012 from http://www.mnn.com/green-tech/research-innovations/blogs/how-much-co2-does-one-solar-panel-create Talk to your power provider Get a permit from City of Calgary Get a power permit from power producer’s pool Build a framework for the panels Hire an electrician to hook up the electrical panel Solar Power in Hospitality Industry Recruitment & Selection Solar technology is using light energy from the sun. Solar panels are made up of silicon wafers cut from silicon crystals. When light hits the silicon, photons move in a predictable direction. The solar panel collects the moving photons in the form of electricity. An array of many panels aggregates the electricity and it is converted into a useable for with inverters changing DC current into the AC current which is used in homes and businesses. Do you know where is the biggest solar hotel in the world?? Disadvantages “Green Hotel” is a nickname created for hotels which use solar power and other natural resources to create energy. Around the world, there are not many Green Hotels, Because of the limitation, these hotels become so special and unique. Green hotels use solar power to build a good image for marketing purposes. It proves to the guests that the property uses renewable resources to sustain the environment and support the ecosystem. A lot of people travels around the world and a Green hotel can show them how they can give a step forward to help the ecosystem. Good advertisement is needed so they can let regular hotels have an idea of how much energy they are using every year. Therefore people who wish to give part of their responsibility to our ecosystem will know which to choose and know which hotels are giving part of their own to help the world. Cost Top Canadian Supplier Best Product Design and Planning suited for companies All services included (Installation + Supplies) Warranty Solar Panel on the roof Green energy is a movement toward producing energy from renewable sources, such as solar, that do not have a negative effect on our environment Waste Management: Solar Powered Trash Compactor is a new idea to save money, labour and the environment. Powered by the sun, these trash compactors work in every kind of weather (snow, rain etc.) Less reliable on fossil fuels Produce no pollution Only works during day time Used harmful materials Cost Saving Solar Energy World’s Largest Solar-Power Hotel Solar Valley Micro-E Hotel in China Various Solar Products Solar Panel Supplier: Sunfire (Calgary) Jinko (China & Canada) Trina (China) Support: Sunfire provides EPC (Engineering, Procurement and construction) support Sait provides Solar

Technology Template

Transcript: My Technology Template Investigation Criteria A Problem The problem we have is that PYP students need to learn about simple cams. How can we make our presentation clear so that the PYP student learn clearly. Students also need to know about CAD/CAM Guiding Questions How can we use CAD/CAM to provide a more interesting experience? How can we make this a fun and interactive experience? How can we help PYP students learn about cams, levers linkages and pendulums? AOI Cams have been used by humans and we are using them everyday. Human Ingenuity Design Brief I am going to solve this problem by conducting the following The research I will do is search the internet to find information about CAD/CAM and cams The creation I intend to make is a PowerPoint presentation or movie to teach them about CAD/CAM and to guide them to make a cams model This will help the ISM community because it prepare PYP students for MYP Primary Research I asked the following questions 1 What are cams? 2 What is Cad/Cam? 3 Where are cams used in daily bases? 4 What wouldn't we have if we didn't have cams 5 How can we make cams or an example of a cam? 6 What types are there? 7 Why are cams useful? 8 How does CAD/CAM work 9 What website can use? 10 How can we teach people about Secondary Research http://imaginationfactory.questacon.edu.au/cams.html Circular cams, also known as eccentric cams, are circle-shaped and fitted off-center onto the driving shaft. These cams move very smoothly and are used to generate a wave-like motion in the follower. They are often used in mechanical toys to produce a smooth, recurring motion. Pear-shaped cams are actually egg shaped. The follower is level for most of the cam’s rotation, then is suddenly pushed up at regular intervals. These are used in car engines to control the flow of air/fuel and exhaust in the engine. Heart-shaped cams allow the follower to move at a constant velocity and therefore provide a very steady motion. They are used in sewing machines to wind thread onto the bobbin. Drop-cams are shaped like a snail shell. These cams lift the follower gradually, then drop it suddenly. The crank and slider is a special type of cam that you can find on the wheels of steam engines. It consists of a piston (the slider) that is attached to a circular cam (the crank) by a rod. The rod is offset from the cam’s axle. As the piston moves back and forth, it pushes and pulls on the rod, which turns the cam around. In a steam engine, the wheel is the cam! (this has been copied to help me learn) http://www.robives.com/mechanisms/cams A cam converts rotary movements in to reciprocating movement. As the cam turns, driven by the circular movement, the cam follower traces the surface of the cam transmitting its motion to the required mechanism. Cam follower design is important in the way the profile of the cam is followed. A fine pointed follower will more accurately trace the outline of the cam. This more accurate movement is at the expense of the strength of the cam follower. As the cam turns it has a tendency to push the cam follower to one side. To overcome this a separate cam follower and push rod can be used as in this mechanism. Here the cam follower drags over the cam surface, accurately tracing the surface of the cam. Any movement of the cam follower is transferred directly to the push rod (this has been copied to help me learn) This information will be helpful because it will teach me and the PYP students about cams These pictures will help me by Creating the model cams Criterion B Design Design 1 We will use the changeable cam model and put a motor on it. We will also put a cow on the top nodding it’s head to show the movement of different cams. We will take two models and combine them. We will get the design from robives then import it robo master then covert it to an outline. The the machine will cut the design. We will use card, glue. We might add a motor to our model. These are the two models. We are going to use The cow The interchangeable cam Design 2 Making a short a short movie to show what are cams and Cad/Cams and how they work and make a model to show one. We will make the movie on movie maker. We will use a video camera to film how a cam works The design shows different movements of the cams can make and it fun to make, look at and to learn about them. Making a video, PowerPoint, Prezi or a poster to show how the craft Robo works. This will be easier and more clear to the primary. Final design We liked to first design because it will be easier and better way to explain to the P5/6 how Cams work. Criteria C Plan These charts are connected This will help me to be more organize with my work Criteria D Create Creation Evidence These are some photos to show us making the model Testing of designs against specification Design Specification To make sure my designs and final creation have worked I will make a questionnaire based on my specification Were the lessons fun? Have you learned a lot? Would you

Green Technology

Transcript: angela rose This video is part of the basis to really think about going green! which is meeting the needs of society now and in the future without further damaging or depleting our natural resources. Cradle to Cradle designs: which reclaim or reuse manufactured products. Source reduction: which reduces waste and pollution by changing patterns of production and consumption. Innovation:developing alternatives to technology-whether fossil or chemical- that have demonstrated damage to health and environment. Viability: creating a center of economic activity around technologies and products that benefit the enviroment and speeding implementation and creating new careers that truly protect our planet. too many to mention in this presentation. But I will name a few: energy, green building, environmentally preferred purchasing, green chemistry and green nanotechnology combining green chemistry and nanotechnology at the scale of one billionth of a meter.(2006.2010.GreenTechnology.) the video on youtube gives further examples of going green. Check out the one from CNN: http://youtube.com/CNN-EcoSolutions The Sony company and the Mohawk Carpets are coming up with some innovative ways to give back and reduce the carbon footprint, like regular sugar,enzymes to create a battery that can power a MP3 player or weaving plastic bottles into carpet you cannot feel any difference with. We might think we know what is out there, but as of yet we do not posess the technology to get us there and when we do get there it will take some time to be able to sustain us there because it is not Earth. So why not take care of the planet we have now? If we start now it won't be too late! We can still reverse the GreenHouse Emissions, planet warming, ocean pollution, carbon monoxide pollution. If we start now! Our children will thank us for it, not to mention the Earth. http://www.youtube.com/greentechnology I was so thoroughly amazed at what was truly out there.You will be too! From solar to wind turbines, dome greenhouses to aquaponics. Fishfarms that sustain vegetable gardens in communities to floating steam islands. It is amazing what innovation can come up with. Not really too much from what we are doing but a whole lot healthier. Some people do not know how to answer that. They think it is just about separating garbage or putting your grass clippings in a trash can at the side of the road. But it is more than that. It is a frame of mind and the beginnings of a way of life. My friend Kathryn was practising green before Berkeley even knew what it was about. There's more to practising green than separating garbage. There's conservation of water like when you brush your teeth don't leave the water running. Using your dishwater to water your plants or mop water to wash off your sidewalks. Sarah Winchester thought of that back in the 1800s. She actually had some innovative ideals of her own we can use today. You should check out the Winchester Mansion of San Jose California either online or when you visit.Or finding the places to recycle old LP records or oil paints. Just about anything you want to throw away can be recycled if you take the patience and time to do it and remember our planet. References: Green Technology YouTube and reference Green technology: CNN: Eco Solutions. China green technology 9/15/09.advanced green technology AGT Solar. Isaac 2008Intro on green technology submitted by buntyshubho.Advanced Photovoltaic Solar Power. Nano Solar. http://www.solarthermalpower.it.Solar Islands.Growing Spaces by Udgar Parsons, the growing dome.Green house Aquaculture growing fish in greenhouses Sea grant University of Wisconsin. Winchester Mansion. Green Technology http://www.youtube.com/Isaac2008-Introduction to green technology It is about encompassing methods and techniques that create alternative energies and products that would fall in the guidelines of Sustainablity How many ways are there to go green? What exactly is green technology all about? Are you green? for by Are you green? may 5, 2011 INF 103 Professor Adriene Nawrocki Why should we go green? Do you really practice green?

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