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If you think you can answer this question just by looking at a map, read on. You may be surprised.
To ask the question more concretely, what's across the ocean from New York? It doesn't really matter what beach in New York you choose, but just to be specific, let's go with Montauk, NY. It is at the tip of Long Island and has a clear, unobstructed view of the Atlantic ocean.
To figure out what's across from New York, the first thing you might do is take out a map, follow a straight line eastward, and conclude that the answer is Europe, or more precisely Portugal.
Of course there is not just one answer. When looking out across the ocean, there are any many directions you could choose, each of which would lead you to a different location. But in this case, surprisingly, Portugal is not one of them.
When you stare across the ocean from a beach in Montauk, or anywhere in New York, this map shows what's on the other side (excluding some smaller countries that unfortunately did not fit).
No matter which direction you look, you're not facing Europe.
That's partly because the coast of Long Island is angled southward. But there is also something else going on.
If you stand on the beach and turn your head all the way to the left, the direction you're facing is north east. Common sense would seem to dictate if you sail in that direction (north east), you should end up somewhere north east of where you began. Namely, you should end up in Europe.
In reality, if you were to point your ship north east from New York and sail straight ahead without turning, you would land in Morocco, which is to the south of New York.
Stranger still, when you stand on a beach in New York, one of the countries directly across from you is Australia.
If you were to sail through the orange Australia section in the map above, without ever turning the ship, you would eventually hit Australia's southwestern coast. And as you land, you would be approaching from the south.
Because we're used to looking at the world on a flat surface, our perception of Earth's geography is distorted in many ways. In this case, it is the concept of straight lines that throws us off.
Technically, there are no straight lines on a globe, since the surface itself is curved. The shortest distance between any two points, the closest thing to a straight line, is known as a great circle arc.
Over short distances, straight lines on a 2-dimensional map are the same as great circle arcs on a 3-dimensional globe. But over long distances, the relationship breaks down as the Earth's curvature comes into play.
If you've ever followed the path of a long international flight, you already know the shortest distance between two points on the Earth's surface looks curved. The same effect applies here.
Though the lines in the map above appear curved, all of them are actually straight lines (great circles) on the 3D globe.
I spent a good while looking at this on Google Earth convincing myself it was correct.
If you have any doubt whether it's possible to sail from New York to Australia along a straight line, the video below shows what it looks like in 3 dimensions.
There is also a 2-dimensional way of looking at these lines that clears up what's really going on. The image below shows the Earth from a top-down perspective, using an azimuthal map projection, with New York in the center.
From this view, you can see the lines do appear straight.
You can also see clearly that the U.S. East Coast as a whole does not face toward Europe at all.
If you were to stand on a beach on the U.S. East Coast and look directly east, here's what's really across the ocean.
This post originally appeared on Metrocosm
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-- This feed and its contents are the property of The Huffington Post, and use is subject to our terms. It may be used for personal consumption, but may not be distributed on a website.
-- This feed and its contents are the property of The Huffington Post, and use is subject to our terms. It may be used for personal consumption, but may not be distributed on a website.
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I don't know anyone who didn't find last week both hard and heartbreaking. Two more incomprehensible fatal police shootings of African Americans followed by a horrific and deadly attack on police officers at a peaceful protest in Dallas. Seven senseless deaths fed the fear that our nation is sliding toward a chasm of hatred and violence. Although violent crime has actually been declining in most of America for decades, it did not feel that way last week.
I've written before about why the Sierra Club supports Black Lives Matter. We believe that all people deserve a healthy planet with clean air and water, a stable climate, and safe communities. That means all people deserve equal protection under the law. We all have the right to a life free of discrimination, hatred, and violence. People of color deserve that. Police officers deserve that. LGBTQ people deserve that. Muslims, too. This is the America portrayed in my children's textbooks. But if our country isn't keeping this promise to our nation's most vulnerable citizens, don't we all lose? As we saw again so painfully last week, the plain, inescapable fact is that African Americans are not receiving equal protection.
Racism in our society ― and the fear, ignorance, and misunderstanding that accompanies it ― is a direct threat to our environmental progress. The Sierra Club's mission is to “enlist humanity” to protect the planet. To combat climate change, we need to build an economy powered by 100 percent clean energy for everyone. But how can we come together to do this when racism threatens to tear us apart? How can we rise to the challenge of creating clean energy prosperity ― where communities of color, which have suffered the heaviest burden of carbon pollution, really benefit ― when we're sinking to our deepest fears about each other?
The Sierra Club is just one out of more than a million U.S. nonprofit organizations. But after spending the past six years working and collaborating with thousands of staff, volunteers, and supporters, I've learned that the Sierra Club is much more than that. It's a community. A community of people who want to see a better world today, tomorrow, and a hundred years from now. The Sierra Club is filled with smart, passionate people who know how to listen to each other, learn from each other, and work together for positive change. A community like that cannot ― must not ― turn its back on its brothers and sisters who cannot walk the streets of their own country, their own neighborhoods, without the ever-present fear that they could be singled out just because of their skin color. By the same token, we can't turn our hearts from the good cops doing a dangerous job who feel misunderstood and at risk themselves as they seek closer relations with the communities they serve.
But in the face of such grief, what can we do? We can engage, all of us. Combating racism isn't an armchair exercise; just like creating a new protected area or replacing coal with clean energy, it demands passion and engagement. Sierra Club members, volunteers, and supporters know how to organize as well as anyone. That same ability to reach across differences to create a coalition to stop fracking? Let's apply those skills to dismantling racism on the way to 100 percent clean energy for all. Our solidarity with principled allies? Let's extend that to Black Lives Matter and take the pledge to “not allow ourselves to be divided.” We can't pretend that race doesn't matter on environmental issues, because the communities that care most about our issues ― and are disproportionately affected by environmental woes ― are communities of color.
Talk to your friends and family openly about race. Talk with fellow environmentalists about why it matters to us and how we can do more to address it. Read books and articles about racism. Seek out workshops and trainings about white privilege and racial justice. Work with others in your community who are addressing racism. Join with others who are marching for justice.
One more thought: Last week's violence was a consequence of America's worst idea ― rejecting the humanity of other human beings. But at the heart of the Sierra Club's mission is what's been called one of America's “best ideas” ― that parks, nature, and wild places can help us find and celebrate our common humanity. I believe that we as a community have something else to humbly offer ― a rededication to sharing that idea with our friends and neighbors and colleagues. Now, at a moment when every one of us could use some help from the healing power of nature, let us resolve to never forget that it is for everyone to enjoy, that it can help anyone, and that it should be accessible to all.
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Broken LED light bulb.
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Egypt is the last stop before Solar Impulse 2 finishes its round-the-world journey in the United Arab Emirates. The team is aiming to raise awareness about clean energy.
Many African-Americans keep guns for self-defense, dating back to Emancipation. But the shooting in Dallas, and recent killings of black men by police, have raised hard questions for black gun owners.
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