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Copper Free Mirror A copper free silver mirror is a type of mirror that does not contain copper in its reflective coating. Traditional mirrors use a silver coating that is backed with a layer of copper to protect it from tarnishing. However, copper can eventually react with the silver and cause the mirror to discolor. Copper-free mirrors, known as lead-free mirrors, offer several features and benefits compared to traditional mirrors that contain copper in their backing. copper-free mirrors offer a safe, environmentally friendly, and durable alternative to traditional mirrors, making them a preferred choice for various applications where quality, longevity, and safety are paramount.

SOLAR cells are expensive, so it makes sense to use them efficiently. One way to do so is to concentrate sunlight onto them. That means a smaller area of cell can be used to convert a given amount of light into electricity. This, though, imposes another cost-that of the mirrors needed to do the concentrating. Traditionally these are large pieces of polished metal, steered by electric motors to keep the sun's rays focused on the cell. But now Cool Earth Solar of Livermore, California, has come up with what it hopes will be a better, cheaper alternative: balloons. Anyone who has children will be familiar with aluminised party balloons. Such balloons are made from metal-coated plastic. Cool Earth's insight was that if you coat only one half of a balloon, leaving the other transparent, the inner surface of the coated half will act as a concave mirror. Put a solar cell at the focus of that mirror and you have an inexpensive solar-energy collector.

Field of mirrors in Spain generates solar-thermal electricity As the sun rises over Seville in southern Spain, its blinding light bounces on a field of 624 mirrors surrounded by sunflowers. Subscribers must LOG-IN to read this full story. Once you are logged in, all stories appear in their entirety.

Are you struggling with the fact that you really don't know anything about how to get into shape? If you're busy living in yesterday's errors, many of your decisions will be founded on guilt and shame instead of what you really want (and need) to accomplish to achieve your goals. Real change comes from day-to-day choices and becoming mindful and basing your choices on what you need now (rather than what you did or didn't do yesterday) will make your exercise life much more passable. What if I can offer you a solution that will help you to attain greatness, to become a success and learn about the best ways to get in shape? In this book, you will learn about: - Navigate the Astral Plane - MIRROR MADNESS - The Health Zen - Vitamin Vitality - Native American Healing - Boost your Health with Gua Sha - Beautiful Body Essential - Secret of Food Combination - Lose Weight Fasting - Child Diet - many other useful things!

Are you struggling with the fact that you really don't know anything about how to get into shape? If you're busy living in yesterday's errors, many of your decisions will be founded on guilt and shame instead of what you really want (and need) to accomplish to achieve your goals. Real change comes from day-to-day choices and becoming mindful and basing your choices on what you need now (rather than what you did or didn't do yesterday) will make your exercise life much more passable. What if I can offer you a solution that will help you to attain greatness, to become a success and learn about the best ways to get in shape? In this book, you will learn about: - Navigate the Astral Plane - MIRROR MADNESS - The Health Zen - Vitamin Vitality - Native American Healing - Boost your Health with Gua Sha - Beautiful Body Essential - Secret of Food Combination - Lose Weight Fasting - Child Diet - many other useful things!

Yet another announcement from Project Better Place, this time spreading their wings to Hawaii - Hawaii goes electric. California's announcement last month of its aim to turn San Francisco Bay into the world's electric car capital has been followed by Hawaii jumping on the clean energy bandwagon. The state spends up to $7bn (£4.75bn) a year on importing oil, and cars account for almost 20% of the state's greenhouse gas emissions. In a mirror of the Californian plans, the electric transportation company Better Place will aim to build a network of kerbside charging points across Hawaii and create the equivalent of filling stations, where electric car owners will be able to replace their flat batteries for fully charged ones. With a full charge, a typical car will be able to travel 100 miles, ideal for commuting around urban areas.

A cheap new way to attach mirrors to silicon yields very efficient solar cells that don't cost much to manufacture. The technique could lead to solar panels that produce electricity for the average price of electricity in the United States.

California's utilities are in a tight spot. They're mandated to procure 20 percent of their electricity from renewable resources by the end of next year. Currently, renewable energy provides only 12 percent of the state's needs. Green energy is needed, and fast. Where to get it? The southeastern corner of California is becoming the state's Wild West of renewable energy. Five years from now this patch of desert will hold one of the largest solar thermal plants in the world. An area of 10 square miles will be filled with 38,000 "sun catchers," which look like enormous satellite dishes with mirrors.

The Guardian has an article on a report from Greenpeace, the European Solar Thermal Electricity Association and the International Energy Agency's SolarPACES group on the potential for solar thermal power to supply a large proportion of our energy needs (why they limit it to 25% is a mystery to me) - Concentrated solar power could generate 'quarter of world's energy'. Solar power stations that concentrate sunlight could generate up to one-quarter of the world's electricity needs by 2050, according to a study by environmental and solar industry groups. The technology, best suited to the desert regions of the world, could also create hundreds of thousands of new jobs and save millions of tonnes of CO2 from entering the atmosphere. Concentrating solar power (CSP) uses mirrors to focus sunlight onto water. This produces steam that can then turn turbines and generate electricity. It differs from photovoltaics, which use solar panels to turn sunlight directly into electricity and can operate even on overcast days. CSP only works in places where there are many days with clear skies and is a proven, reliable technology. At the end of 2008 CSP capacity was around 430MW, and worldwide investment in the technology will reach