Turning Seawater Into Drinking Water With Just One Button

Desalination—removing salt from water—will be a necessity in the future. Middle Eastern countries already use this technology to a greater degree than the West and now it’s quickly improving. Within 30 minutes, a new small device can produce one cup of potable water from the sea.

Watch the video and then do the accompanying English language exercises on our website.

The news is a consistent source of entertainment, knowledge and discovery that never ceases to exist. It always comes out with more and more material each day. Because it plays such a vital part in our lives and is so important to keep up with, it is without a doubt a piece of your everyday routine that can’t go ignored.

Whether it is to understand the ramifications of recent legislation passed, to hear about recent events and grasp the potential consequences to your country, or simply hear about what is happening in other countries in order to compare them to what’s happening in yours, the news is certainly a staple in our lives and the most consistent way to get information.

This is why Scrambled Eggs has decided to unite two of your biggest worlds: learning English and keeping up with what is happening in the world. We hope our challenging daily exercises, composed of listening, vocabulary and comprehension exercises in English, will satisfy both of those above worlds in a satisfactory and also entertaining way.

So enough about introductions, let’s get to today’s Learn English with the News topic:

Adapted from this article.

Turning Seawater Into Drinking Water With Just One Button | Definition Match

Put the following words to the correct definitions.

Turning Seawater Into Drinking Water With Just One Button | Fill in the Blank

Fill out the text below with the correct answers.

Turning Seawater Into Drinking Water With Just One Button | True or False

Indicate which sentences are true and which ones are false.

And that’s it for today’s English lesson, where you can improve your English with the news and current events. Do you have any comments or requests for us for the next edition of Learn English with the News? Be sure to leave any feedback you have in the comments section below. We would love to help you on your quest to learn the English language!

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Full text:

MIT researchers have developed a portable desalination unit, weighing less than 10 kilograms, that can remove particles and salts to generate drinking water. The device is smaller than a suitcase and requires less power to operate than a cell phone charger. It can also be driven by a small, portable solar panel, which can be purchased online for around $50.

It automatically generates drinking water that exceeds World Health Organization quality standards. The technology is packaged into a user-friendly device that runs with the push of one button. Unlike other portable desalination units that require water to pass through filters, this device utilizes electrical power to remove particles from drinking water. Eliminating the need for replacement filters greatly reduces the long-term maintenance requirements. This could enable the unit to be deployed in remote and severely resource-limited areas or aid refugees fleeing natural disasters.

Other portable desalination units typically require high-pressure pumps to push water through filters, which are very difficult to miniaturize without compromising the energy-efficiency of the device. Instead, this unit relies on a technique called ion concentration polarization (ICP), applying an electrical field to membranes placed above and below a channel of water. The membranes repel positively or negatively charged particles—including salt molecules, bacteria, and viruses—as they flow past. The charged particles are funneled into a second stream of water that is eventually discharged.

The researchers also created a smartphone app that can control the unit wirelessly and report real-time data on power consumption and water salinity. In about half an hour, the device had filled a plastic drinking cup with clear, drinkable water.

The Lion and the Mouse – Learn English with Fables

Here is another Aesop’s Fable for you to read in English. Read the whole thing without stopping to check words, then try the definitions quiz below.

A Lion was sleeping in the forest, with his huge head resting on his paws. A timid little Mouse found him unexpectedly, and in her fright and haste to get away, ran across the Lion’s nose. Waking up from his nap, the Lion laid his huge paw angrily on the tiny creature to kill her.

“Spare me!” begged the poor Mouse. “Please let me go and some day I will I will reward you.”

The Lion was very amused to think that a Mouse could ever help him. But he was generous and finally let the Mouse go.

Some days later, while stalking his prey in the forest, the Lion was caught in a hunter’s net. Unable to free himself, he filled the forest with his angry roaring. The Mouse knew the voice and quickly found the Lion struggling in the net. Running to one of the great ropes that held the lion, she chewed it until it broke, and soon the Lion was free.

“You laughed when I said I would reward you,” said the Mouse. “Now you see that even a Mouse can help a Lion.”

A kindness is never wasted.

Adapted from: http://www.read.gov/aesop/007.html

 

The Lion and the Mouse | Definitions Quiz

Try to find the definition of the words in bold.

The Lion and the Mouse | True or False

Indicate which sentences are true and which ones are false.