What the U.S.-Mexico border wall would look like in Europe
The size of the U.S.-Mexico border wall proposed by the Trump administration seems shockingly ambitious when overlaid onto a map of Europe.
The size of the U.S.-Mexico border wall proposed by the Trump administration seems shockingly ambitious when overlaid onto a map of Europe. The history of physical barriers in Europe, especially the Berlin Wall, adds unexpected context to a political and social row over domestic immigration policy.
Stretching 1,900 miles according to the U.S. Customs and Border Protection Agency, the U.S.-Mexico border is the tenth longest national borders in the world, just behind the political border between India and China. (The longest border in the world is the U.S.-Canadian border at 5,525 miles.)
The length of the U.S.-Mexico border is not actually agreed upon. The International Boundary and Water Commission extends the border to measure 1,954 land miles, and 1,984 total miles to include water boundaries along the Rio Grande.
There is reportedly a total of 700 miles of border wall already dividing the United States and Mexico, leaving 1,200 miles of construction remaining, nearly double what currently exists.
Many of history's most famous walls have not been end-to-end constructions. The Great Wall of China, constructed to buttress the border between Mongolia and China (the world's fourth largest), was built in key strategic points only.
A Mexican family stands next to the border wall between Mexico and the United States, in Ciudad Juarez, Mexico on May 23, 2017. The United States is about to complete the construction of a metal wall nearly seven meters high on the border between Ciudad Juarez and El Paso, Texas, replacing a wire mesh fence dating back to 1986, officials said. / AFP PHOTO / HERIKA MARTINEZ (HERIKA MARTINEZ/AFP/Getty Images)
But modern building materials and the abolition of slavery makes any such comparison specious. (A Chinese maxim goes: Why does the Great Wall reach so high? Because it is built on the bones of slaves who died raising it.)
In that sense, it is better for border walls to be expensive than cheap. And any such U.S.-Mexico border wall will be costly, with current estimates in the $25 billion range.
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A NASA astronomer explains how astronauts dispose of their, uh, dark matter.
- When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
- Yes, there have been floaters in space. The early days of space exploration were a learning curve!
- Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
The Harvard psychologist loves reading authors' rules for writing. Here are his own.
- Steven Pinker is many things: linguist, psychologist, optimist, Harvard professor, and author.
- When it comes to writing, he's a student and a teacher.
- Here's are his 13 rules for writing better, more simply, and more clearly.
A growing body of research shows promising signs that the keto diet might be able to improve mental health.
- The keto diet is known to be an effective tool for weight loss, however its effects on mental health remain largely unclear.
- Recent studies suggests that the keto diet might be an effective tool for treating depression, and clearing up so-called "brain fog," though scientists caution more research is necessary before it can be recommended as a treatment.
- Any experiments with the keto diet are best done in conjunction with a doctor, considering some people face problems when transitioning to the low-carb diet.
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