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Latest News Ad: A Unique English Grammar, a most useful language book containing almost all ground rules of English, is available with the writer (mobile: 01779477091).                    Make is followed by bare infinitive in active voice but to-infinitive in passive voice: We made him do it. He was made to do it.                    English Language Tips 2: Write `law-and-order situation`, NOT `law and order situation`, When you write simply `law land order`, there is no need for using hyphen, as there is no need to make it a compound word. In the first instance, law-and-order is made into a compound word to create an adjective to qulify the noun situation. In the second, the phrase law and order is not followed by any such NP and so you need not use such hyphenated compound as adjective.                    English Language Tips 1: Write `adviser to the prime minister`, NOT `adviser of the prime minister`.                    Write `adviser of the government`, NOT `adviser to the government`.                    
18 Apr 2017   09:17:02 PM   Tuesday BdST A- A A+ Print this E-mail this

Have drinking water from air


A new research promises a potential new technology for sustainable harvesting of drinking water from the air—to a great relief for those who face water crisis.

The atmosphere contains an estimated 13,000 trillion litres of water -- equivalent to nearly 10 per cent of all freshwater present in lakes worldwide. And this potential has remained untapped, so far.

Now, a team of researchers in the US, including two of Indian- origin, have developed a device that extracts potable water from ambient air using only sunlight as the energy source.

The solar-powered water harvester works even when relative humidity (RH) is as low as 20 per cent, the level common in arid areas and deserts of the world, the Statesman quoted the researchers as saying in their report.

The developers of the technology hope their device could help every household obtain the drinking water it needs out of the air using only the power of the sun.

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