Author Archives: SFGJrg

5 Animal-Free Food Breakthroughs (Including Foie Gras!)

Earlier this month, the UN Intergovernmental Panel on Climate Change released a landmark report underscoring a stark warning to the world: To avoid disastrous levels of global warming, we must take “rapid, far-reaching and unprecedented changes in all aspects of society.”

One of the urgent changes recommended by the global authority on climate change? People need to consume 30 percent less animal products. ASAP. After all, raising animals for food has a serious and consequential environmental footprint. For instance, the livestock sector alone is estimated to account for 14.5 percent of greenhouse gas emissions globally, more than from the entire transport industry. And with a rapidly growing global human population, if we don’t shift our eating habits now, we’ll only be making the situation exponentially worse.

The good news is that a small, but rising, group of food trailblazers is on the case to shift the tide in big ways. Here are some future food inventions they’ve come up with, which eliminate the animal from the equation (i.e. pollution). And, they could soon be coming to a supermarket or restaurant near you:

1. Lab-Grown Gelatin

Gelatin is a translucent, flavorless food ingredient. It’s derived from collagen, which is extracted from the body parts of animals, including their bones and hides. Gelatin isn’t the main reason cows and pigs are farmed, but it monetizes animal parts that would otherwise have been discarded as useless.

Enter: lab-grown gelatin. This is gelatin that is grown in a laboratory, without animals, by the companies like California biotech startup Geltor. Geltor scientists take carbon, nitrogen and oxygen and convert them into collagen via a microbial fermentation process. The final product has exactly the same properties and characteristics as animal gelatin. Pretty incredible, huh?

Animal gelatin is currently used in a wide variety of foods including candy, desserts and condiments. If cultured gelatin can eliminate the need for animal versions of these products, the results will be game changing.

2.?Clean?Pet Food

A Berkeley-based biotech startup called Wild Earth recently unveiled its debut market-ready product: an animal-ingredient free, healthy, eco-friendly dog snack made from koji. (Koji is a type of fungus Japanese foodsmiths use, to ferment some of their country’s most popular cultural delicacies, like miso and sake.) But “clean protein” dog snacks are just the start of Wild Earth’s ambitious plans. Next up on the roster is a dry dog food, also made with koji?then a cultured meat for cats, using the cells of mice. Whoa. Now that’s forward thinking.

In the US alone, the pet food market will reportedly be worth a whopping $30 billion by 2022. But on the flip side, the environmental impact of this growth is also consequential. A recent study found, for instance, that companion cats and dogs in America are already responsible for 25 to 30 percent of the environmental impact of meat consumption in the country.

We’ll never stop loving and nourishing our beloved pets, so for the sake of the planet, we’ll have to root for companies like Wild Earth. Moving forward, we really do need a more sustainable pet food industry.

3. Cruelty-Free Foie Gras

Without a doubt, foie gras is one of the most cruelly produced food products out there. The French “delicacy” is made by force-feeding ducks and geese until their livers balloon up to 10 times their natural volume. This, of course, causes the animals great, prolonged pain and suffering. A number of countries have already banned the production, import or sale of foie gras due to animal welfare concerns. We applaud them.

For those of us opposed to this torturous and unethical practice, there’s still more hope around the corner. Some remarkable companies, like Integriculture and JUST, Inc. (formerly known as Hampton Creek), are working diligently on bringing a lab-grown foie gras to market. This type of gourmet product will allow fans of foie gras to continue consuming their favorite treat, with all of the same rich taste and texture?but none of the cruelty.

Another big player in the cultured meat space is Memphis Meats, which has received funding from the likes of Bill Gates and even the American meat industry giant Tyson Foods. Memphis Meats is focusing on culturing many different kinds of meat, including duck.

4. Hen-less Eggs

Humans consume a staggering trillion eggs for food worldwide?each year. The negative environmental and welfare effects of having to produce eggs from billions of live hens, at scale, are serious, far-reaching and well documented.

Clara Foods is a San Francisco-based cellular agriculture company working on a solution to this global issue. Starting with only two of the simplest ingredients out there?sugar and yeast?the company is making hen-less egg whites, from cell culture. Their low-fat, high-protein product is slated to hit the market by the end of 2019. For egg aficionados, cultured eggs will be the real thing, and not a substitute, that can be used for pasta, omelettes, meringues ? and a whole lot more. In the meantime, food tech company JUST has already debuted its mung bean-based egg replacer JUST Egg, which can be scrambled and eaten as is. Recently, the company reported that it outsold conventional chicken eggs in select grocery stores, which is certainly promising news.

5. Cultured Fish

Earlier this year, a “flesh-like,” plant-based alternative to raw tuna, made from tomato, went national. Fishless Ahimi tuna is available at 40 Whole Foods Market locations in 10 states across America. The company behind Ahimi, Ocean Hugger Foods, says its plant-based seafood is one step toward alleviating the increasing pressure on our precious oceans, caused by the global overconsumption of fish.

The next step towards this effort is as cutting edge as it gets. Seafood startups, including Finless Foods, Blue Nalu, Wild Type and Seafuture are striving to get their up-and-coming cultured seafood products to break into the $120 billion seafood market.

A more sustainable seafood industry can’t come soon enough. According to a recent government report, Americans are consuming 15.5 pounds of fish and shellfish per person, up nearly a pound from the previous year, making it the biggest leap in seafood consumption in 20 years.

Let’s face it. It’s highly unlikely billions of people around the world are going eat less meat ?or stop altogether?any time soon. Luckily for us, a whole new wave of animal-free products are about to hit the food marketplace. And they could actually be the miracle we need in time to save the planet.

If this cutting-edge field of food interests you, check out the upcoming Cultured Meat Symposium conference, taking place in San Francisco November 1. Some of the innovative brands weve mentioned here will be there?including Memphis Meats and JUST?as well as many of the top pioneers and leaders in the space.

Contributed by Ulara Nakagawa and?Sharanya Krishna Prasad

Credit: Larry Hoffman via Flickr

Disclaimer: The views expressed above are solely those of the author and may not reflect those of Care2, Inc., its employees or advertisers.

More:  

5 Animal-Free Food Breakthroughs (Including Foie Gras!)

Posted in alo, bigo, eco-friendly, FF, G & F, GE, Hoffman, LAI, Landmark, LG, Naka, ONA, Oster, Smith's, Uncategorized | Tagged , , , , , , , | Comments Off on 5 Animal-Free Food Breakthroughs (Including Foie Gras!)

60 Years Ago Today, The Supreme Court Told Schools to Desegregate. Here’s How Fast We’re Backsliding.

Mother Jones

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN” “http://www.w3.org/TR/REC-html40/loose.dtd”>

Sixty years ago, the Supreme Court ruled that segregation in schools was unconstitutional. The changes required by Brown v. Board of Education decision were not immediate, but they were profound and lasting. Today, schools in the South are the least segregated for black students in the nation.

Of course, that doesn’t tell the whole story. In honor of the Brown anniversary, UCLA’s Civil Rights Project released a report that analyzes the progress of desegregation since 1954. According to the report, starting in the 1980s, schools began to ditch integration efforts and shift focus to universal education standards as a way to level the playing field for students in unequal schools. In 1991, when the Supreme Court ruled that school districts could end their desegregation plans, it put the nail in integration’s coffin.

Black students integrating a Clinton, Tennessee, school in 1956 Thomas J. O’Halloran/Library of Congress

Today, the picture of American schools is far different than what the 1954 ruling seemed to portend. The UCLA report notes that Latino students are the most segregated in the country. In major and mid-sized cities, where housing discrimination historically separated neighborhoods along racial lines, black and Latino students are often almost entirely isolated from white and Asian students—about 12 percent of black and Latino students in major cities have any exposure to white students. Half of the students who attend 91-100 percent black and Latino schools (which make up 13 percent of all US public schools) are also in schools that are 90 percent low-income—a phenomenon known as “double segregation.” And the Northeast holds the special distinction of having more black children in intensely segregated schools (where school populations are 90-100 percent minority) in 2011 than it did in 1968. In New York state, for instance, 65 percent of black students attend schools that are intensely segregated, as do 57 percent of Latinos students.

Bused to a white school, New York City children face parent protests in 1965. Dick DeMarsico/Library of Congress

Even in the South, where Brown made such a profound difference, school integration is being rolled back. The chart below shows the percentage of black students attending majority white schools in the South over the last 60 years. You can see the progress made after Brown—and how rapidly it’s dissolving.

Read More:

60 Years Ago Today, The Supreme Court Told Schools to Desegregate. Here’s How Fast We’re Backsliding.

Posted in alo, Anchor, FF, GE, LG, ONA, Radius, Uncategorized, Venta | Tagged , , , , , , , , , , | Comments Off on 60 Years Ago Today, The Supreme Court Told Schools to Desegregate. Here’s How Fast We’re Backsliding.

Corn on "Hardball": The Debate on Income Inequality Will Continue in 2014

Mother Jones

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN” “http://www.w3.org/TR/REC-html40/loose.dtd”>

Mother Jones DC bureau chief David Corn joins Jonathan Capehart on MSNBC’s “Hardball” to discuss income inequality and the political battle lines being drawn in 2014.

David Corn is Mother Jones’ Washington bureau chief. For more of his stories, click here. He’s also on Twitter.

Visit site: 

Corn on "Hardball": The Debate on Income Inequality Will Continue in 2014

Posted in FF, GE, LG, ONA, Uncategorized, Venta | Tagged , , , , , , , , | Comments Off on Corn on "Hardball": The Debate on Income Inequality Will Continue in 2014

The Illegal Vodka Pipeline You Never Knew Existed

Mother Jones

On Monday, a pipeline transporting molasses from a storage tank to a ship burst, spilling 233,000 gallons of sugary syrup into Honolulu Harbor. The disaster has devastated marine life and sent local agencies scrambling to clean up. But there was another obvious takeaway: Really, molasses moves in pipelines?

Yes, and it’s not alone.

Molasses

BW Folsom /Shutterstock

Length: Unknown

Where: Honolulu

Used by: Shipping company Matson Navigation

Status: Still active.

Vodka

kaband/Shutterstock

Length: .3 miles

Where: Kazakhstan to Kyrgyzstan

Used by: Smugglers

Status: Shut down by Kyrgyz customs officials in August.

Vodka

Denys Prykhodov/Shutterstock; Aaron Amat/Shutterstock

Length: 1 mile

Where: Russia to Estonia

Used by: Smugglers

Status: Shut down by customs officials in 2008.

Moonshine

Everett Collection/Shutterstock

Length: 2 miles

Where: Belarus to Lithuania

Used by: Smugglers

Status: Shut down by customs officials in 2004.

Fried chicken

Brent Hofacker/Shutterstock

Length: 650 feet

Where: Egypt to Gaza City

Used by: Smugglers, charging $27 for a 12-piece bucket of KFC.

Status: Still open. Maybe.

(Ed: This is more of a pipeline in a metaphorical sense, but it does pass through a tunnel.)

Beer

Darren J. Bradley/Shutterstock; Valentyn Volkov/Shutterstock

Length: 3.1 miles

Where: Gelensekirchen, Germany

Used by: Veltins Arena, home of the soccer club Schalke 04

Status: Still active.

Whiskey

Tim Stirling/Shutterstock

Length: Unknown

Where: Windsor, Ontario, Canada

Used by: Canadian Club founder Hiram Walker, to transport mash from his distiller to his farm.

Status: No longer active.

Orange juice

Sfocato/Shutterstock

Length: 1.2 miles

Where: Brazil

Used by: Cutrale, a Coca Cola subsidiary, to transfer fresh-squeezed juice from storage silos to pasteurization facility.

Status: Still open.

Grain

David Rose/Shutterstock

Length: TBD

Where: Montana to Minneapolis; Portland; or Lewiston, Idaho

Used by: Proposed by Montana legislature in the 1970s in response to rising freight transportation costs.

Status: Never built.

View original – 

The Illegal Vodka Pipeline You Never Knew Existed

Posted in alo, FF, GE, LG, mixer, ONA, Uncategorized, Venta | Tagged , , , , , , | Comments Off on The Illegal Vodka Pipeline You Never Knew Existed

Did Stop-and-Frisk Reduce Crime in New York City?

Mother Jones

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN” “http://www.w3.org/TR/REC-html40/loose.dtd”>

Jack Dunphy, a pseudonymous LAPD police officer, writes today about a judge’s decision to halt New York City’s “stop and frisk” program:

Today’s Fox Butterfield Award goes to the New York Times, whose story on the ruling includes this: “These stop-and-frisk episodes, which soared in number over the last decade as crime continued to decline . . .”

I do not endorse, nor should any police officer endorse, extra-constitutional means to achieve law-enforcement ends, no matter how noble. But in the Bronx, a week ago Sunday, an NYPD officer shot and killed 14-year-old Shaaliver Douse as he, Douse, was attempting to shoot some rival gang member. Would it not be preferable that the police had stopped and frisked Douse before his crime than shot him after?

….Liberals, especially those who would never dare set foot in the Bronx, can rejoice at Judge Scheindlin’s ruling, then watch the bodies begin to pile up.

Dunphy obviously thinks the Times is being ridiculous: Crime is going down because of stop-and-frisk, so it takes some serious chutzpah to suggest that this is a good reason to end it. It’s similar to liberal complaints about the Supreme Court’s decision gutting the Voting Rights Act: How can you cite reduced voting discrimination as a reason that we no longer need the VRA when it’s the VRA itself that was responsible for reduced voting discrimination?

Now, as it happens, Judge Scheindlin didn’t ban stop-and-frisk. Pretty much every police department in the country does it in one form or another. She merely concluded that New York City had gone too far and turned it into de facto racial profiling. But Dunphy’s comment illustrates why evidence is so important here, and in particular why I think the lead-crime link is worth further study even if most environmental lead is already gone and there’s little chance of getting funding to clean up the rest.

If stop-and-frisk really is the reason crime has dropped so dramatically in the Bronx, then a judge would be justified in weighing this against the legal issues on the other side. Even decisions based on fundamental constitutional rights aren’t rendered in a vacuum. But if reductions in atmospheric lead are the primary reason for the drop in crime, then stop-and-frisk really has no justification at all, and the judge’s decision becomes an easy one. That’s why it’s worth getting a more definitive answer about this. Other cities have seen dramatic crime drops without expanding their stop-and-frisk programs as aggressively as New York, and it would sure be worthwhile to find out how and why that happened.

Read More – 

Did Stop-and-Frisk Reduce Crime in New York City?

Posted in FF, GE, LAI, LG, ONA, Uncategorized, Venta | Tagged , , , , , , | Comments Off on Did Stop-and-Frisk Reduce Crime in New York City?

The Bradley Manning Trial is One More Step Toward a Post-Constitution America

Mother Jones

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN” “http://www.w3.org/TR/REC-html40/loose.dtd”>

This story first appeared on the TomDispatch website.

On July 30, 1778, the Continental Congress created the first whistleblower protection law, stating “that it is the duty of all persons in the service of the United States to give the earliest information to Congress or other proper authority of any misconduct, frauds, or misdemeanors committed by any officers or persons in the service of these states.”

Two hundred thirty-five years later, on July 30, 2013, Bradley Manning was found guilty on 20 of the 22 charges for which he was prosecuted, specifically for “espionage” and for videos of war atrocities he released, but not for “aiding the enemy.”

Days after the verdict, with sentencing hearings in which Manning could receive 136 years of prison time ongoing, the pundits have had their say. The problem is that they missed the most chilling aspect of the Manning case: the way it ushered us, almost unnoticed, into post-Constitutional America.

The Weapons of War Come Home
Even before the Manning trial began, the emerging look of that new America was coming into view. In recent years, weapons, tactics, and techniques developed in Iraq and Afghanistan as well as in the war on terror have begun arriving in “the homeland.”

Consider, for instance, the rise of the warrior cop, of increasingly up-armored police departments across the country often filled with former military personnel encouraged to use the sort of rough tactics they once wielded in combat zones. Supporting them are the kinds of weaponry that once would have been inconceivable in police departments, including armored vehicles, typically bought with Department of Homeland Security grants. Recently, the director of the FBI informed a Senate committee that the Bureau was deploying its first drones over the United States. Meanwhile, Customs and Border Protection, part of the Department of Homeland Security and already flying an expanding fleet of Predator drones, the very ones used in America’s war zones, is eager to arm them with “non-lethal” weaponry to “immobilize targets of interest.”

Above all, surveillance technology has been coming home from our distant war zones. The National Security Agency (NSA), for instance, pioneered the use of cell phones to track potential enemy movements in Iraq and Afghanistan. The NSA did this in one of several ways. With the aim of remotely turning on cell phones as audio monitoring or GPS devices, rogue signals could be sent out through an existing network, or NSA software could be implanted on phones disguised as downloads of porn or games.

Using fake cell phone towers that actually intercept phone signals en route to real towers, the US could harvest hardware information in Iraq and Afghanistan that would forever label a phone and allow the NSA to always uniquely identify it, even if the SIM card was changed. The fake cell towers also allowed the NSA to gather precise location data for the phone, vacuum up metadata, and monitor what was being said.

At one point, more than 100 NSA teams had been scouring Iraq for snippets of electronic data that might be useful to military planners. The agency’s director, General Keith Alexander, changed that: he devised a strategy called Real Time Regional Gateway to grab every Iraqi text, phone call, email, and social media interaction. “Rather than look for a single needle in the haystack, his approach was, ‘Let’s collect the whole haystack,'” said one former senior US intelligence official. “Collect it all, tag it, store it, and whatever it is you want, you go searching for it.”

Sound familiar, Mr. Snowden?

Welcome Home, Soldier (Part I)
Thanks to Edward Snowden, we now know that the “collect it all” technique employed by the NSA in Iraq would soon enough be used to collect American metadata and other electronically available information, including credit card transactions, air ticket purchases, and financial records. At the vast new $2 billion data center it is building in Bluffdale, Utah, and at other locations, the NSA is following its Iraq script of saving everything, so that once an American became a target, his or her whole history can be combed through. Such searches do not require approval by a court, or even an NSA supervisor. As it happened, however, the job was easier to accomplish in the US than in Iraq, as internet companies and telephone service providers are required by secret law to hand over the required data, neatly formatted, with no messy spying required.

When the US wanted something in Iraq or Afghanistan, they sent guys to kick down doors and take it. This, too, may be beginning to happen here at home. Recently, despite other valuable and easily portable objects lying nearby, computers, and only computers, were stolen from the law offices representing State Department whistleblower Aurelia Fedenisn. Similarly, a Washington law firm representing NSA whistleblower Tom Drake had computers, and only computers, stolen from its office.

In these years, the FBI has brought two other NSA wartime tools home. The Bureau now uses a device called Stingray to recreate those battlefield fake cell phone towers and track people in the US without their knowledge. Stingray offers some unique advantages: it bypasses the phone company entirely, which is, of course, handy in a war zone in which a phone company may be controlled by less than cooperative types, or if phone companies no longer cooperate with the government, or simply if you don’t want the phone company or anyone else to know you’re snooping. American phone companies seem to have been quite cooperative. Verizon, for instance, admits hacking its own cellular modems (“air cards“) to facilitate FBI intrusion.

The FBI is also following NSA’s lead implanting spyware and other hacker software developed for our war zones secretly and remotely in American computers and cell phones. The Bureau can then remotely turn on phone and laptop microphones, even webcams, to monitor citizens, while files can be pulled from a computer or implanted onto a computer.

Among the latest examples of war technology making the trip back to the homeland is the aerostat, a tethered medium-sized blimp. Anyone who served in Iraq or Afghanistan will recognize the thing, as one or more of them flew over nearly every military base of any size or importance. The Army recently announced plans to operate two such blimps over Washington, D.C., starting in 2014. Allegedly they are only to serve as anti-missile defenses, though in our war zones they were used as massive surveillance platforms. As a taste of the sorts of surveillance systems the aerostats were equipped with abroad but the Army says they won’t have here at home, consider Gorgon Stare, a system that can transmit live images of an entire town. And unlike drones, an aerostat never needs to land. Ever.

Welcome Home, Soldier (Part II)
And so to Bradley Manning.

As the weaponry and technology of war came home, so did a new, increasingly Guantanamo-ized definition of justice. This is one thing the Manning case has made clear.

As a start, Manning was treated no differently than America’s war-on-terror prisoners at Guantanamo and the black sites that the Bush administration set up around the world. Picked up on the “battlefield,” Manning was first kept incommunicado in a cage in Kuwait for two months with no access to a lawyer. Then, despite being an active duty member of the Army, he was handed over to the Marines, who also guard Guantanamo, to be held in a military prison in Quantico, Virginia.

What followed were three years of cruel detainment, where, as might well have happened at Gitmo, Manning, kept in isolation, was deprived of clothing, communications, legal advice, and sleep. The sleep deprivation regime imposed on him certainly met any standard, other than Washington’s and possibly Pyongyang’s, for torture. In return for such abuse, even after a judge had formally ruled that he was subjected to excessively harsh treatment, Manning will only get a 112-day reduction in his eventual sentence.

Eventually the Obama administration decided Manning was to be tried as a soldier before a military court. In the courtroom, itself inside a military facility that also houses NSA headquarters, there was a strikingly gulag-like atmosphere. His trial was built around secret witnesses and secret evidence; severe restrictions were put on the press—the Army denied press passes to 270 of the 350 media organizations that applied; and there was a clear appearance of injustice. Among other things, the judge ruled against nearly every defense motion.

During the months of the trial, the US military refused to release official transcripts of the proceedings. Even a private courtroom sketch artist was barred from the room. Independent journalist and activist Alexa O’Brien then took it upon herself to attend the trial daily, defy the Army, and make an unofficial record of the proceedings by hand. Later in the trial, armed military police were stationed behind reporters listening to testimony. Above all, the feeling that Manning’s fate was predetermined could hardly be avoided. After all, President Obama, the former Constitutional law professor, essentially proclaimed him guilty back in 2011 and the Department of Defense didn’t hesitate to state more generally that “leaking is tantamount to aiding the enemies of the United States.”

Continue Reading »

Continue at source: 

The Bradley Manning Trial is One More Step Toward a Post-Constitution America

Posted in alo, Citizen, FF, GE, LAI, LG, ONA, PUR, Uncategorized, Venta | Tagged , , , , , , , , | Comments Off on The Bradley Manning Trial is One More Step Toward a Post-Constitution America

Volcanic rock may be used as giant wind-energy battery

Volcanic rock may be used as giant wind-energy battery

Shutterstock

A volcanic idea.

The Pacific Northwest’s powerful rivers and sweeping winds can generate a lot of electricity, but not continuously. Where better to store some of that energy when there’s a surplus than in the rocky residue of a volcanic eruption?

Scientists at the Pacific Northwest National Laboratory and the Bonneville Power Administration think underground porous rocks produced by volcanic eruptions could be used as a large battery system. They say excess power produced by wind farms in the region could be stored for months as pressurized air before being converted into electricity. From National Geographic:

This is much more than an academic exercise in a region that’s home to one of the largest networks of hydroelectric dams in the United States, a recent boom in wind installations, and state mandates for renewables on the grid. …

Focusing on subterranean basalt reservoirs in eastern Washington State, the authors of this new study have examined the feasibility of deploying a system known as compressed air energy storage, or CAES. They analyzed geological data from petroleum exploration to identify a pair of sites where these volcanic rocks could store enough energy to power a total of about 85,000 homes per month.

“We’re talking about air far below the water table, in the kinds of places where you would find things like fossil fuels,” said Haresh Kamath, energy storage program manager with the Electric Power Research Institute (EPRI). Natural gas and other fuels can and have been held in “similar rock formations for millions of years under pressure, and nobody notices anything at ground level,” he said. In a CAES plant, the underground reservoirs could provide the vessels where compressed air could be pumped and stored using surplus wind energy. During times of higher demand, such as hot summer afternoons, the air would be uncorked, heated, and used to turn a turbine to generate electricity.

John Upton is a science fan and green news boffin who tweets, posts articles to Facebook, and blogs about ecology. He welcomes reader questions, tips, and incoherent rants: johnupton@gmail.com.

Find this article interesting? Donate now to support our work.Read more: Business & Technology

,

Climate & Energy

Also in Grist

Please enable JavaScript to see recommended stories

Read this article – 

Volcanic rock may be used as giant wind-energy battery

Posted in Anchor, FF, G & F, GE, LG, ONA, Uncategorized, wind energy | Tagged , , , , , , , , , , | Comments Off on Volcanic rock may be used as giant wind-energy battery

Spaceships Made of Plastic Could Carry Us to Mars

If anyone wants to make it to Mars unharmed, they’ll need to solve the radiation problem. Photo: Mars One

There’s at least a small handful of teams—NASA, the Chinese Space Agency, SpaceX, Mars One, and others—looking to put people on Mars in the next few decades. Other than the trouble involved in getting people to the red planet, landing them on the surface, giving them enough food and water to survive and stopping them from going crazy with isolation, there’s another big hurdle to jump: radiation. And not just measly, harmless radiation like from your cell phone. Space is full of galactic cosmic rays, incredibly high energy particles–like lead that’s moving near the speed of light. Galactic cosmic rays can blast through your DNA, shredding the bonds and increasing your risk of cancer.

Stopping all this radiation is one of the challenges for anyone looking to send people far from Earth, and new research is pointing us in an unusual direction on how to do it: plastic spaceships.

Aluminum, being both strong and light, is the material of choice for spaceship building. But aluminum isn’t so hot at blocking radiation. Plastic, on the other hand, seems to be way better.

This isn’t an entirely new idea. Back in 2004 NASA wrote about how plastic could be used to protect the explorers of the solar system, speaking with NASA scientist Frank Cucinotta, who works on the Space Radiation Health Project:

Plastics are rich in hydrogen–an element that does a good job absorbing cosmic rays,” explains Cucinotta. For instance, polyethylene, the same material garbage bags are made of, absorbs 20% more cosmic rays than aluminum. A form of reinforced polyethylene developed at the Marshall Space Flight Center is 10 times stronger than aluminum, and lighter, too. This could become a material of choice for spaceship building, if it can be made cheaply enough. “Even if we don’t build the whole spacecraft from plastic,” notes Cucinotta, “we could still use it to shield key areas like crew quarters.” Indeed, this is already done onboard the ISS.

While plastic was already thought to be theoretically better than aluminum at protecting astronauts based on laboratory tests no one had ever tested it using a craft that is fully exposed to cosmic rays. That’s where the new research comes in, says Cary Zeitlin, the leader of the study:

This is the first study using observations from space to confirm what has been thought for some time—that plastics and other lightweight materials are pound-for-pound more effective for shielding against cosmic radiation than aluminum. Shielding can’t entirely solve the radiation exposure problem in deep space, but there are clear differences in effectiveness of different materials.

More from Smithsonian.com:

After Decades of Wishing for a Mars Colony, It May Finally Be Within Reach

Source – 

Spaceships Made of Plastic Could Carry Us to Mars

Posted in FF, G & F, GE, ONA, solar, Uncategorized, Wiley | Tagged , , , , , , , , | Comments Off on Spaceships Made of Plastic Could Carry Us to Mars