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Building a Low-Cost Zero-Energy Home

first_img Sign up for a free trial and get instant access to this article as well as GBA’s complete library of premium articles and construction details. This article is only available to GBA Prime Members Let’s say that your goal is to build a simple net-zero-energy home for your family. You insist that the home be energy-efficient, and you plan to include a photovoltaic (PV) array that is large enough to balance your annual energy needs.Your main stumbling block is that your budget is very tight. Is your goal attainable?Perhaps. Many builders have managed to complete a net-zero home that costs only a little bit more than a conventional house. If you want to take a similar approach, consider the following principles. 1. For a zero-energy house, net metering must be available Aiming for the zero-energy target only makes sense if your local utility offers a net metering contract. If your utility won’t provide you with a one-for-one credit for the kilowatt-hours that your PV system delivers to the grid, it’s going to be very hard to hit net zero.So clearly, step one is to buy a building lot in a community where net metering is offered by the local utility. (Even if you take this step, there is no assurance that the local utility will honor the provisions of the net metering contract for the life of the house. But it’s still better to start out with a net metering contract than it is to build in a region of the country where utilities are hostile to residential PV.) 2. Use an energy modeling program to optimize your home’s specifications As you refine your design, you’ll need to consider a variety of tradeoffs. For example, which approach will save more energy on an annual basis: increasing the attic cellulose from R-38 to R-50, or adding $1,000 of PV modules to your solar array?The best software to help you answer this type of… center_img Start Free Trial Already a member? Log inlast_img read more

SP wants seven seats from NCP-Cong.

first_imgThe Samajwadi Party (SP) has demanded seven seats from the alliance of the Congress and the Nationalist Congress Party (NCP) for the Assembly polls. The Congress and NCP have locked into a 50:50 seat-sharing formula, deciding to contest 125 seats each and leave 38 for their other allies. The Assembly has 288 seats. The Akhilesh Yadav-led SP has demanded two seats in Mumbai and five spread across Marathwada and western Maharastra, party leaders said. A senior Congress leader said, “A meeting was held with the SP leaders on Tuesday and we have agreed on the first three seats: Bhiwandi East, Mankhurd Shivaji Nagar and Aurangabad East. Talks are still on for the rest of the seats.” The meeting was attended by Mumbai Congress chief Eknath Gaikwad and deputy leader in Assembly Arif Nasim Khan. The SP leadership said it is keen to field new faces in Mumbai, including Byculla corporator Rais Shaikh, while other candidates could be fielded in Ratnagiri and Jalgaon districts. The Congress leadership confirmed seven seats have been allotted to the SP. In 2014, the Congress and NCP had contested the elections separately after failing to reach a satisfactory seat-sharing arrangement. In prior elections, the Congress would have a larger share of seats. However, given that the NCP won four seats in the Lok Sabha polls held this year and the Congress only one, the allies seem to have agreed on contesting an equal number of seats.last_img read more

Opening of Crawfish season delayed for two weeks

first_img Related Items: Facebook Twitter Google+LinkedInPinterestWhatsApp Facebook Twitter Google+LinkedInPinterestWhatsAppProvidenciales, TCI, July 22, 2016 – Crawfish season will not open on the first day of August… it will open on the 15th day of August and officials issued notice today for restaurants and fishermen and the residents to be aware of the legal start time.DECR Director, Dr John Claydon calls the two week change a benefit to the country’s number three industry, fisheries.   “This has proven successful in reducing the quantity of egg-bearing lobsters landed, and is believed to have contributed to increased abundance and landings of crawfish. The last day of the Crawfish season will be 15th March, 2017.  Last season the fishing community of the Turks and Caicos benefited from an increase in crawfish landings. This appears to be the result of the stock starting to rebuild, and as long as we continue to implement the measures we have in place we are confident that this rebuilding will continue…”last_img read more

TCI Autopsy and Police evidence insufficient manslaughter charge dropped against Fulford and

first_img Recommended for you Facebook Twitter Google+LinkedInPinterestWhatsApp Related Items:#haitianfresh, #markfulford, #robertschuster Facebook Twitter Google+LinkedInPinterestWhatsAppProvidenciales, Turks and Caicos Islands – March 6, 2018 – Two young men were today freed of the burden of having to continue to prove that they were not responsible for a 2017 murder of Julliot ‘Haitian Fresh’ Pierre; at least one attorney is calling it a major victory for his client.Jermaine Fulford Jr and Clayton Morris, represented respectively by attorneys Mark Fulford and Lara Maroof (Stanbrooks Law) had the charge of manslaughter dropped against them after it was proven that there was insufficient evidence to proceed to trial. Justice Robert Schuster today determined that after having reviewed all evidence, in the police sufficiency hearing there was simply not enough condemning material to move the manslaughter case forward against the two men.Mark Fulford of F Chambers Law firm reported to Magnetic Media that he “argued before Justice Schuster, that the DPP Jillian Williams did not have enough evidence to convict their clients of the manslaughter of Julliot Pierre.”Julliot Pierre, who was 24 year old at the time of his death in July 2017, is better known by his nickname, Haitian Fresh and was chopped with a cutlass during a fight, hospitalized and he later passed away.  Originally, his death was classified as ‘unexplained’.  The autopsy report later confirmed that the injuries in that fight did cause Pierre’s death and the investigation became a homicide probe.It is widely believed the real killer got away.Magnetic Media is told that the suspected man, who police were hunting for the killing hopped a flight to Haiti and never returned to Provo.In July last year TCI Police were reported as looking for Richard ‘Rich Boi’ Gail in connection to the murder of the Kew Town man. One comment shared with Magnetic Media following today’s outcome said, “Police should have never wasted their time and the people’s resources to charge Clayton Morris and Jermaine Fulford Jr. in the killing of ‘Haitian Fresh’…. The DPP knew quite well the Police had nothing in the bundle against those two by themselves but a much stronger case against the individual that fled the country…  Police put out a wanted poster for Richard Gail but it was too late…  It is sad that this poor Haitian boy’s life was taken away from him… one cannot rejoice in the victorious results of the sufficiency hearing today… as a young man’s life was cut short.”Photo:  Julliot ‘Haitian Fresh’ Pierre, 24center_img Former PNP Election candidate and businessman calls for swifter reconstruction for Capital, Grand Turk TCI: Three airlifted with gunshot from Provo to Jamaica; attorney activist says try his crime prevention planlast_img read more

Houston Teen Accused Of Killing 8 Year Old Boy Is Refused Bail


Quantum dots found to reduce fibrils in Parkinsons mouse models

center_img This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Gold changes photoluminescence of silicon quantum dots Quantum dots are particles that exist at the nanoscale and are made of semiconducting materials. Because they exhibit quantum properties, scientists have been conducting experiments to learn more about changes they cause to organisms when embedded in their cells. In this new effort, the researchers became interested in the idea of embedding quantum dots in synuclein cells.Synucleins make up a group or family of proteins and are typically found in neural tissue. One type, an alpha-synuclein, has been found to be associated with the formation of fibrils as part of the development of Parkinson’s disease. To see how such a protein might react when exposed to quantum dots, the researchers combined the two in a petri dish and watched what happened. They found that the quantum dots became bound to the protein, and in so doing, prevented it from clumping into fibrils. They also found that doing so after fibrils had already formed caused them to come apart. Impressed with their findings, the team pushed their research further.Noting that quantum dots are small enough to pass through the blood/brain barrier, they injected quantum dots into mice with induced Parkinson’s disease and monitored them for several months. They report that after six months, the mice showed improvements in symptoms.The researchers suggest that quantum dots might have a similar impact on multiple ailments where fibrilization occurs, noting that another team had found that injecting them into Alzheimer’s mouse models produced similar results.It is still not known if injecting similar or different types of quantum dots into human patients might have the same effect, they note. Nor is it known if doing so would have any undesirable side effects. Still, the researchers are optimistic about the idea of using quantum dots for treatment of such diseases and because of that, have initiated plans for testing with other animals—and down the road they are looking at the possibility of conducting clinical trials in humans. Journal information: Nature Nanotechnologylast_img read more

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