New alternative to Trump's wall would create jobs, renewable energy, and increase border security

A consortium of scientists and engineers have proposed that the U.S. and Mexico build a series of guarded solar, wind, natural gas and desalination facilities along the entirety of the border.

  • The proposal was recently presented to several U.S. members of Congress.
  • The plan still calls for border security, considering all of the facilities along the border would be guarded and connected by physical barriers.
  • It's undoubtedly an expensive and complicated proposal, but the team argues that border regions are ideal spots for wind and solar energy, and that they could use the jobs and fresh water the energy park would create.

"What should the U.S. do about The Wall?" is a question that's destined to divide many Americans. But there's one proposal for the U.S.-Mexico border that, at least in theory, seems agreeable to everyone.

A consortium of 28 engineers and scientists has proposed that – instead of building a simple barrier along the approximately 2,000-mile border – the U.S. and Mexico could work together to build an industrial park along the divide that would include desalination facilities, solar energy panels, wind turbines and natural gas pipelines. The plan would not only provide the region with border security – considering it'd be a continuous train of heavily guarded industrial facilities – but also energy, water and jobs.

In a white paper, the team called it a "future energy, water, industry and education park" that "will create massive opportunities for employment and prosperity."

"Just like the transcontinental railroad transformed the United States in the 19th century, or the Interstate system transformed the 20th century, this would be a national infrastructure project for the 21st century," Luciano Castillo, Purdue University's Kenninger Professor of Renewable Energy and Power Systems and lead of the consortium, told Phys.org. "It would do for the Southwest what the Tennessee Valley Authority has done for the Southeast over the last several decades."

Building such a park would undoubtedly be a complicated, expensive undertaking. The team estimates the solar energy arm of the project alone would require 8 million solar panels and cost $4.5 billion. Still, many parts of the border region are ideal for generating renewable energy. The white paper describes how the areas of strong winds in the Gulf and Baja California regions "are ideal for wind farms."

Similarly, the desalination part of the proposal would bring water to California, Texas, New Mexico, and Arizona – areas "in the grip of severe to exceptional drought conditions," the paper states. The team added that these efforts, which would include an "interconnected super-pipe system" along the entirety of the border, could help make the U.S. a global leader in the industry.

"At first blush the idea seems too big, too aggressive, but consider the Roman aqueducts or the transcontinental railroads—enormous undertakings that gave enormous benefits. The cost of providing basic, essential infrastructure to the border lands is tiny compared to the opportunities it creates," Ronald Adrian, Regent's Professor at Arizona State University, told Phys.org. "I view this project as a means of creating wealth by turning unused land of little value along the border into valuable land that has power, water access and ultimately agriculture, industry, jobs, workers and communities. With only a wall, you still have unused land of little value."

So far, the team has presented their proposal to three U.S. representatives and one senator. It's a plan that they say will help reduce illegal immigration while providing more jobs and cleaner energy to both U.S. and Mexico.

"Democrats want a Green New Deal. Republicans want border security," Castillo told Scientific American. "Both parties could win. It could be a win–win for the U.S. and Mexico, too. This idea could spark a completely new conversation about the border. And we need that."

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Why are so many objects in space shaped like discs?

It's one of the most consistent patterns in the unviverse. What causes it?

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  • Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
  • Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
  • Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.

Scientists study tattooed corpses, find pigment in lymph nodes

It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.

17th August 1973: An American tattoo artist working on a client's shoulder. (Photo by F. Roy Kemp/BIPs/Getty Images)
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In the slightly macabre experiment to find out where tattoo ink travels to in the body, French and German researchers recently used synchrotron X-ray fluorescence in four "inked" human cadavers — as well as one without. The results of their 2017 study? Some of the tattoo ink apparently settled in lymph nodes.


Image from the study.

As the authors explain in the study — they hail from Ludwig Maximilian University of Munich, the European Synchrotron Radiation Facility, and the German Federal Institute for Risk Assessment — it would have been unethical to test this on live animals since those creatures would not be able to give permission to be tattooed.

Because of the prevalence of tattoos these days, the researchers wanted to find out if the ink could be harmful in some way.

"The increasing prevalence of tattoos provoked safety concerns with respect to particle distribution and effects inside the human body," they write.

It works like this: Since lymph nodes filter lymph, which is the fluid that carries white blood cells throughout the body in an effort to fight infections that are encountered, that is where some of the ink particles collect.

Image by authors of the study.

Titanium dioxide appears to be the thing that travels. It's a white tattoo ink pigment that's mixed with other colors all the time to control shades.

The study's authors will keep working on this in the meantime.

“In future experiments we will also look into the pigment and heavy metal burden of other, more distant internal organs and tissues in order to track any possible bio-distribution of tattoo ink ingredients throughout the body. The outcome of these investigations not only will be helpful in the assessment of the health risks associated with tattooing but also in the judgment of other exposures such as, e.g., the entrance of TiO2 nanoparticles present in cosmetics at the site of damaged skin."

Photo by Alina Grubnyak on Unsplash
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