The state of Tennessee’s circular economy

May 9, 2018 by  
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The Volunteer State is missing economic and policy opportunities to recover and reuse materials for the domestic commodity market.

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The state of Tennessee’s circular economy

3 Reasons Why You Should Try Home Automation

December 15, 2016 by  
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As new technology makes the world smarter, our homes are being transformed by gadgets and fully integrated home automation systems designed to optimize our domestic lives. And yet even now when most of us are familiar with the Nest thermostat and…

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3 Reasons Why You Should Try Home Automation

Alex Duffner Makes Medical Technology Widely Available with Hacked Household Appliances

September 28, 2013 by  
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With the aim of making scientific and medical experiments accessible and available to all, London-based designer Alex Duffner created a series of amazing devices from hacked home appliances. Called Domestic Science Machines, the project combines the regular use of home devices with a scientific function so everyone can experiment and learn about various scientific processes. In Duffner’s world, a coffee machine turns into a spectrometer, a salad spinner separates liquids like a centrifuge , and a slow cooker is used as a PCR cycler for growing DNA! Read the rest of Alex Duffner Makes Medical Technology Widely Available with Hacked Household Appliances Permalink | Add to del.icio.us | digg Post tags: Alex Duffner , DIY , Domestic Science Machines , goldsmiths university of london , green kitchen , green materials , green products , green technology , Hacked , London Design Festival 2013 , London Design Week , Medical experiments , science experiments        

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Alex Duffner Makes Medical Technology Widely Available with Hacked Household Appliances

Biopower Generation Congress and Exhibition

August 17, 2012 by  
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Developing the domestic supply chain for biomass power

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Biopower Generation Congress and Exhibition

How to charge USB devices by pedaling your bicycle

October 17, 2011 by  
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Kamlesh Kandasamy: You might know “Energy can be neither created nor destroyed. It can only be transformed from one form of energy to another”. We human beings are dependent on energy for almost every activity we intend to do. Natural energy is available through various resources like the wind, tidal, solar, hydro, bio-energy, etc. However, the process of transforming the available natural energy into the energy that could be utilized by our domestic appliances is a little difficult and it is also a time consuming process. That is why most of the energy we use at our home are produced in large scale either by the government or by private concerns. But it is possible to convert one form of energy into another form, right from our homes. We may even use this energy to charge up our domestic devices like the laptop, mobile phones, music players, etc. Sometimes, even big devices could be powered but with the use of right equipments. A simple example would be generating electricity from your bicycle. Riding your bicycle could produce electricity. This electricity could be used to recharge your batteries in your electronic devices. USB devices requires a voltage of 5 units which is possible to generate by means of pedaling your bicycle. All that you need is a few basic essential parts, knowledge on how to build them and most importantly patience, because the building process takes some time for making it reliable and successful. In this process, the mechanical energy provided by you, by means of pedaling your bicycle is converted into electrical energy that would be used to charge your USB devices. Though it sounds simple, the process might be arduous for certain users. But, it is absolutely possible to do this work with your bicycle and some essential components. Difficulty level: Moderate Time required: Depends on the individual user’s knowledge and ability to work. So, it varies from person to person. However, an average person could complete this process in a few hours. Resources required A motor with a capacity of around 6 volts, a USB charger device, connecting wires, a rubber wheel to mount over the motor, a voltage regulator that can step down 6 volts to 2.5 volts, two capacitors with a capacity of around 2200 micro Farad and 140 Farad respectively, covering box, holding clamps, pasting tapes and other necessary items. Estimated cost The cost of installing this technology in your bicycle completely depends on the parts you choose to buy. Instructions Once you have the required items in your hand, you may begin the installation process. The first step is to install the electric motor. As your rear wheel of your bicycle will be the driving wheel, let us extract power from it. Secure the electric motor to the frame by means of holding clamps such that your motor’s round rubber wheel would be in touch with your wheel’s rim from the side. You need to use connecting wires to circuit the power from motor to the voltage regulator through the 2200 micro Farad capacitor. The voltage regulator steps down the motor’s 6 volts to 2.5 volts. After this reduction, the power should be transferred to the 140 Farad capacitor. Connect the voltage regulator to this ultra-capacitor. This 140 Farad capacitor stores energy required to charge your USB devices. Once this capacitor attains a voltage of about 1.2 volts, it has the capacity to charge up your USB device. The next step is to connect this ultra-capacitor to the USB charger device. The final step would be plugging in your USB compatible devices to this charging device. If all these parts are connected correctly, then you can charge your USB portable devices from this USB charger itself. Frequently asked questions Q. Is there any danger involved in this process? Ans: The danger level involved in this process is very less. Without the necessary components, it is not possible to generate electricity. This process is very similar to the dynamo technology used earlier in bicycles lights. Quick tips Do prepare a list about the items required and then buy them as per your convenience and budget. However, choosing the motor would be a very critical part. Even if it costs more, try to buy a motor of good quality so they are durable and reliable. You may also use second-hand items but check them thoroughly before you buy. Things to watch out for Check that your motor’s rubber wheel is in contact with the wheel’s rim. Else you won’t be able to generate electricity. Create a housing to enclose the voltage regulator, capacitors along with the USB charger device in order to prevent them from abnormal weather effects. Tape the wires along with the bicycle’s frames so as to prevent them from hanging. Don’t forget to take care about the things around you.

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How to charge USB devices by pedaling your bicycle

GE’s Mark Vachon: Ecomagination & Natural Gas Can Work Together

July 13, 2011 by  
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Like it or not, natural gas is the big story today in the energy business. This is good for GE. It’s probably good for the U.S., given our domestic supply. Whether it’s good thing for the climate is very much an open question.

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GE’s Mark Vachon: Ecomagination & Natural Gas Can Work Together

Recycle Your Bra For Breast Cancer, Domestic Violence Awareness

October 5, 2010 by  
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The Bra Recyclers, a division of Bosom Buddy Bra Recycling, has declared October “Bra Recycling Month,” in an effort to support causes with which the public is already familiar: Breast Cancer Awareness and Domestic Violence Awareness….

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Recycle Your Bra For Breast Cancer, Domestic Violence Awareness

Rainforest Deforestation Amounts to $5 Trillion in Annual Losses

October 5, 2010 by  
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A former British banker has determined the value of assets lost by depletion of rainforests, which includes $4.5 trillion in loss of biodiversity as well as the loss of wetlands and sources of pharmaceutical drugs, according to The Independent. The…

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Rainforest Deforestation Amounts to $5 Trillion in Annual Losses

How can I reuse or recycle walnut shells?

August 4, 2010 by  
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Echoing the pistachio shells that started this site , I was thinking about walnut shells recently. It’s advised not to compost walnuts/walnut shells because the trees contain a chemical called juglone, which is toxic to some trees, plants and vegetables (especially members of the Solanaceae family – aubergine, tomatoes & potatoes) so better safe and than sorry when it comes to composting them. Walnut shells have a number of industrial uses – a thickener in the paints & plastics industries, as a filler in explosives, and for cleaning/polishing – but less re-uses in the domestic setting.

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How can I reuse or recycle walnut shells?

What can I reuse/recycle to make plant/vegetable fertilisers?

August 3, 2010 by  
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So how is your garden/allotment/window box doing this summer? Due to a combination of a underestimation of seed germination rates, disorganisation/ignoring plans and demon slugs, my growing hasn’t gone quite as I thought it might but we’re doing ok and I’ve learned a lot about growing here.

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What can I reuse/recycle to make plant/vegetable fertilisers?

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