TOPIC: bbc
7 months 17 hours ago #10838
  • Axetweilk
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Some of the ash is stored in pits where it is mixed with water, which helps to keep the dusty ash settled. Some is stored dry. Some of these sites are covered. Some of the pits are lined. Environmentalists note that, even when sites aren't flooded or retaining walls aren't compromised, the minerals in the ash still can seep into water tables to infect drinking water. Utilities, fearful of the huge costs associated with cleaning up these sites, favor sealing off the landfills and the ponds that hold coal ash. Groups like EcoWatch are leery of that solution. A rule dictating stricter federal standards for coal ash disposal, passed in 2015 under the Obama administration, was eased earlier in 2018 by the Trump administration. But a U.S. Court of Appeals decision in August 2018, not only threatens to gut the Trump rollbacks but calls on the EPA to pass even tougher rules than called for during the Obama era. Disposal of all the coal residue is going to take years and years to pull off, all while plants across the country continue to produce it. That means coal ash will be a problem - for everybody - for the foreseeable future. Tiffany Haworth, the executive director of the Dan River Basin Association. According to the U.S.|It's your year to win in the market. However, setting your trades and investments in the wrong place, buying or selling at the wrong time and not knowing when trends change can be detrimental. To avoid the twists and turns in the stock market, you will want to use different systems. These compliment your approaches to the trades and investments you take. Using a stock market analysis assists you with the next steps for your portfolio. The first indications to look at with a stock market analysis is the price, volume and time. There are stochastics or oscillators which identify the mean average over a certain time. This specific amount of data offers insight to what is occurring in the market as well as how the trends are moving. You will want to consider the data surrounding the stocks you have invested in, specifically so you can identify how the trends may turn. Acoustic levitation allows small objects, like droplets of liquid, to float. Unless you travel into the vacuum of space, sound is all around you every day. But most of the time, you probably don't think of it as a physical presence. You hear sounds; you don't touch them. The only exceptions may be loud nightclubs, cars with window-rattling speakers and ultrasound machines that pulverize kidney stones. But even then, you most likely don't think of what you feel as sound itself, but as the vibrations that sound creates in other objects. The idea that something so intangible can lift objects can seem unbelievable, but it's a real phenomenon. Acoustic levitation takes advantage of the properties of sound to cause solids, liquids and heavy gases to float. The process can take place in normal or reduced gravity. In other words, sound can levitate objects on Earth or in gas-filled enclosures in space. tech news

















































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