[Home]  [Headlines]  [Latest Articles]  [Latest Comments]  [Post]  [Mail]  [Sign-in]  [Setup]  [Help]  [Register] 

Utopian Visionaries Who Won’t Leave People Alone

No - no - no Ain'T going To get away with iT

Pete Buttplug's Butt Plugger Trying to Turn Kids into Faggots

Mark Levin: I'm sick and tired of these attacks

Questioning the Big Bang

James Webb Data Contradicts the Big Bang

Pssst! Don't tell the creationists, but scientists don't have a clue how life began

A fine romance: how humans and chimps just couldn't let go

Early humans had sex with chimps

O’Keefe dons bulletproof vest to extract undercover journalist from NGO camp.

Biblical Contradictions (Alleged)

Catholic Church Praising Lucifer

Raising the Knife

One Of The HARDEST Videos I Had To Make..

Houthi rebels' attack severely damages a Belize-flagged ship in key strait leading to the Red Sea (British Ship)

Chinese Illegal Alien. I'm here for the moneuy

Red Tides Plague Gulf Beaches

Tucker Carlson calls out Nikki Haley, Ben Shapiro, and every other person calling for war:

{Are there 7 Deadly Sins?} I’ve heard people refer to the “7 Deadly Sins,” but I haven’t been able to find that sort of list in Scripture.

Abomination of Desolation | THEORY, BIBLE STUDY

Bible Help

Libertysflame Database Updated

Crush EVERYONE with the Alien Gambit!

Vladimir Putin tells Tucker Carlson US should stop arming Ukraine to end war

Putin hints Moscow and Washington in back-channel talks in revealing Tucker Carlson interview

Trump accuses Fulton County DA Fani Willis of lying in court response to Roman's motion

Mandatory anti-white racism at Disney.

Iceland Volcano Erupts For Third Time In 2 Months, State Of Emergency Declared

Tucker Carlson Interview with Vladamir Putin

How will Ar Mageddon / WW III End?

What on EARTH is going on in Acts 16:11? New Discovery!

2023 Hottest in over 120 Million Years

2024 and beyond in prophecy

Questions

This Speech Just Broke the Internet

This AMAZING Math Formula Will Teach You About God!

The GOSPEL of the ALIENS | Fallen Angels | Giants | Anunnaki

The IMAGE of the BEAST Revealed (REV 13) - WARNING: Not for Everyone

WEF Calls for AI to Replace Voters: ‘Why Do We Need Elections?’

The OCCULT Burger king EXPOSED

PANERA BREAD Antichrist message EXPOSED

The OCCULT Cheesecake Factory EXPOSED

Satanist And Witches Encounter The Cross

History and Beliefs of the Waldensians

Rome’s Persecution of the Bible

Evolutionists, You’ve Been Caught Lying About Fossils

Raw Streets of NYC Migrant Crisis that they don't show on Tv

Meet DarkBERT - AI Model Trained On DARK WEB

[NEW!] Jaw-dropping 666 Discovery Utterly Proves the King James Bible is God's Preserved Word

ALERT!!! THE MOST IMPORTANT INFORMATION WILL SOON BE POSTED HERE


Status: Not Logged In; Sign In

Science-Technology
See other Science-Technology Articles

Title: This new solar-powered device can pull water straight from the desert air
Source: Science Magazine
URL Source: http://www.sciencemag.org/news/2017 ... pull-water-straight-desert-air
Published: Apr 13, 2017
Author: Robert Service
Post Date: 2017-04-13 17:12:55 by cranky
Keywords: None
Views: 823
Comments: 4

Crystalline materials similar to these can now harvest water vapor from the air.

You can’t squeeze blood from a stone, but wringing water from the desert sky is now possible, thanks to a new spongelike device that uses sunlight to suck water vapor from air, even in low humidity. The device can produce nearly 3 liters of water per day, and researchers say future versions will be even better. That means homes in the driest parts of the world could soon have a solar-powered appliance capable of delivering all the water they need, offering relief to billions of people.

The new water harvester is made of metal organic framework crystals pressed into a thin sheet of copper metal and placed between a solar absorber (above) and a condenser plate (below).

To find an all-purpose solution, researchers led by Omar Yaghi, a chemist at the University of California, Berkeley, turned to a family of crystalline powders called metal organic frameworks, or MOFs. Yaghi developed the first MOFs—porous crystals that form continuous 3D networks—more than 20 years ago. The networks assemble in a Tinkertoy-like fashion from metal atoms that act as the hubs and sticklike organic compounds that link the hubs together. By choosing different metals and organics, chemists can dial in the properties of each MOF, controlling what gases bind to them, and how strongly they hold on.

Over the past 2 decades chemists have synthesized more than 20,000 MOFs, each with unique molecule-grabbing properties. For example, Yaghi and others recently designed MOFs that absorb—and later release—methane, making them a type of high-capacity gas tank for natural gas–powered vehicles.

In 2014, Yaghi and his colleagues synthesized a MOF that excelled at absorbing water, even under low-humidity conditions. That led him to reach out to Evelyn Wang, a mechanical engineer at the Massachusetts Institute of Technology (MIT) in Cambridge, with whom he had previously worked on a project to use MOFs in automobile air conditioning. After synthesizing the new zirconium-based MOF, dubbed MOF-801, Yaghi met Wang at MIT and said, “Evelyn we have to come up with a water harvesting device.” She agreed to give it a shot.

Device pulls water from the air

At night setup soaks up water vapor from air, and uses heat from the sun to release it as liquid water during the day.

The system Wang and her students designed consists of a kilogram of dust-sized MOF crystals pressed into a thin sheet of porous copper metal. That sheet is placed between a solar absorber and a condenser plate and positioned inside a chamber. At night the chamber is opened, allowing ambient air to diffuse through the porous MOF and water molecules to stick to its interior surfaces, gathering in groups of eight to form tiny cubic droplets. In the morning, the chamber is closed, and sunlight entering through a window on top of the device then heats up the MOF, which liberates the water droplets and drives them—as vapor—toward the cooler condenser. The temperature difference, as well as the high humidity inside the chamber, causes the vapor to condense as liquid water, which drips into a collector. The setup works so well that it pulls 2.8 liters of water out of the air per day when run continuously, the Berkeley and MIT team reports today in Science.

“It has been a longstanding dream” to harvest water from desert air, says Mercouri Kanatzidis, a chemist at Northwestern University in Evanston, Illinois, who wasn’t involved with the work. “This demonstration … is a significant proof of concept.” It’s also one that Yaghi says has plenty of room for improvement. For starters, zirconium costs $150 a kilogram, making water harvesting devices too expensive to be broadly useful. However, Yaghi says his group has already had early success in designing water-grabbing MOFs that replace zirconium with aluminum, a metal that is 100 times cheaper. That could make future water harvesters cheap enough not only to slake the thirst of people in arid regions, but perhaps even supply water to farmers in the desert. (3 images)

Post Comment   Private Reply   Ignore Thread  


TopPage UpFull ThreadPage DownBottom/Latest

#1. To: cranky (#0)

This is very, very cool !!

Si vis pacem, para bellum

Rebellion to tyrants is obedience to God.

There can be no divided allegiance here. Any man who says he is an American, but something else also, isn't an American at all. We have room for but one flag, the American flag... We have room for but one language here, and that is the English language... and we have room for but one sole loyalty and that is a loyalty to the American people."Theodore Roosevelt-1907.

I am concerned for the security of our great nation; not so much because of any threat from without, but because of the insidious forces working from within." -- General Douglas MacArthur

Stoner  posted on  2017-04-13   18:06:24 ET  Reply   Trace   Private Reply  


#2. To: Stoner (#1)

This is very, very cool !!

It sounds too good to be true.

There has to be a catch.

cranky  posted on  2017-04-13   18:31:56 ET  Reply   Trace   Private Reply  


#3. To: cranky (#0)

Me thinks somebody's in for a serious dissappointment.

rlk  posted on  2017-04-13   23:54:29 ET  Reply   Trace   Private Reply  


#4. To: cranky (#0)

let us hope it is capable of being scaled up. Suddenly one problem is Mars exploration has been solved, next stop extract oxygen

paraclete  posted on  2017-04-14   1:56:01 ET  Reply   Trace   Private Reply  


TopPage UpFull ThreadPage DownBottom/Latest

[Home]  [Headlines]  [Latest Articles]  [Latest Comments]  [Post]  [Mail]  [Sign-in]  [Setup]  [Help]  [Register] 

Please report web page problems, questions and comments to webmaster@libertysflame.com