Desalination plants, small or large, powered by solar energy
Though still in its design phase, the team hopes scale up the size of the solar module for use in disaster zones and desert areas where climate change has impacted on water stocks.
Portable Desalination System Powered By Solar Energy, renewable energy news, by Energy Matters, 18 Oct 10, A group of researcher s at the Massachusetts Institute of Technology (MIT), have unveiled a portable solar-powered desalination plant which they say will help provide access to clean drinking water in the developing world.
The solar desalination system uses solar panels for energy and a reverse osmosis filtration system to remove salt and other particle from the water, rendering it drinkable.The MIT research team, headed by Professor Steven Dubowsky and working out of the Field and Space Robotics Laboratory, have developed their system with mobility, energy efficiency and a focus on solar power in mind.
The system needed to be as user-friendly as possible to ensure it could operate anywhere and be used by anyone. The solar photovoltaic array utilises a computer algorithm that tracks the sun and diverts power when the weather is cloudy. Solar energy pumps dirty or salty water through the plant’s membrane layers, and the module is made from basic parts such as PVC pipe.
Though still in its design phase, the team hopes scale up the size of the solar module for use in disaster zones and desert areas where climate change has impacted on water stocks.
Portable Desalination System Powered By Solar Energy : Renewable Energy News –
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1.This Month
above – Nagasaki child victim
Harry Truman and the nuclear bombs dropped on Hiroshima and Nagasaki, Frank Jackson, 9 Aug 20 Whether the bombing of Hiroshima or the entry of the Soviet Union into the war was the crucial event in causing the Japanese surrender can never be conclusively settled (Hiroshima at 75: bitter row persists over US decision to drop the bomb, 5 August). However, very little is said about the motives for the second bomb, on Nagasaki three days later. Few argued that it was necessary to reinforce the message of Hiroshima. Rather, the military and scientific imperative was to test a different bomb design – “Fat Man”, an implosion type using plutonium, as opposed to the uranium of Hiroshima’s “Little Boy”. To my mind that, destroying a mainly civilian city for such reasons, makes it even more of a war crime, if that is possible, than the bombing of Hiroshim.a
Frank Jackson
Former co-chair, World Disarmament Campaign https://www.theguardian.com/world/2020/aug/07/harry-truman-and-the-nuclear-bombs-dropped-on-hiroshima-and-nagasaki
“Shinda Onnanoko” (“Dead Girl”), by Nâzim Hikmet, translated into Japanese by Nobuyuki Nakamoto
I come and stand at every door
But no one hears my silent tread.
I knock and yet remain unseen
For I am dead, for I am dead.
I’m only seven, although I died
In Hiroshima long ago.
I’m seven now as I was then.
When children die, they do not grow.
My hair was scorched by swirling flame.
My eyes grew dim; my eyes grew blind.
Death came and turned my bones to dust
And that was scattered by the wind.
I need no fruit, I need no rice.
I need no sweets, nor even bread.
I ask for nothing for myself
For I am dead, for I am dead.
All that I ask is that for peace
You fight today, you fight today
So that the children of the world
May live and grow and laugh and play.
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