Turning Salt water into Drinking water using Solar power
According to the Securing Water for Food agency, between 2000 and 2050 water demand is expected to increase 55 percent globally, meaning the number of people affected by water scarcity will continue to grow. By 2025, twothirds of the world's population could be living in severe water stress conditions. Around the world, there is more salty groundwater than fresh, drinkable groundwater. For example, 60 percent of India is underlain by salty water and much of that area is not served by an electric grid that could run conventional reverseosmosis desalination plants.
To find solution for this drinking water issue in developing countries, USAID the U.S. Agency for International Development had run a global competion for Desal prize. The idea for the competition was to create a system that could remove salt from water and meet three criteria it had to be costeffective, environmentally sustainable, and energy efficient. The winners of the $140,000 first prize were a group from MIT and Jain Irrigation Systems. The group came up with a method that uses solar panels to charge a bank of batteries. The batteries then power a system that removes salt from the water through electrodialysis,.
That means that dissolved salt particles, which have a slight electric charge, are drawn out of the water when a small electrical current is applied. Using the sun instead of fossil fuels to power a desalination plant isn't a totally new idea. Larger solar desalination plants are being seriously investigated in areas where water is becoming a scarce resource, including Chile and California.But the current technology is expensive. The MIT team's this new desalination technology electrodialysis is comparatively less expensive. Both electrodialysis and reverse osmosis require the use of membranes, but the membranes in.
Easiest to use Audio Bible player
Hi this is Rick and I want to tell you about the Easiest Bible Player in the world to use. Both the Old and New Testament are are preloaded on the player. The audio files are permanently embedded on the player so it's impossible for you to accidentally erase them. Within two minutes of taking this unit out of the box you'll be an expert on how to use it. You get the unit with a builtin and rechargeable battery. It also has a builtin speaker where you can listen to the Bible.
Being read aloud. It also comes with its own set of earbuds if you want to listen to the unit privately by yourself. It also comes with a manual. It comes with a recharging cable where you can charge the unit using the USB port on your computer or you can use a regular house electricity as well and then the unit also has a built in solar cell on the back where you can charge the unit using the sunlight. If you ship this unit inside the US we'll ship it to you for free.
And then we also ship around the world to 87 countries for about $10 US. The features that I like about this player are the Audio Bible Player talks to you the entire time and it tells you exactly what book and exactly what chapter you're on. You can continuously play the Bible for hours if you wish going chapter to chapter and book to book. The unit also has a bookmarking button and this allows you to go back to the exact location that you were listening to previously. The unit has forward and back.
Chapter buttons and it also has forward and back book buttons so you can go to the exact book and the exact chapter that you want to start listening to. The unit also has a quickjump button and this lets you easily jump from Genesis, to Psalms, to Matthew. You'll find the unit very easy to take with you you can put it in your purse or you can slot it in your pocket and take it with you wherever you go. The builtin speaker allows you and others to listen to the Bible together.
Suntactics Portable Folding USB Solar Panel First Impressions
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