It is impossible for one to be internationalist without being a nationalist. Internationalism is possible only when nationalism becomes a fact, i.e. when peoples belonging to different countries have organized themselves and are able to act as one man. It is not nationalism that is evil, it is the narrowness, selfishness, exclusiveness which is the bane of modern nations which is evil. Each wants to profit at the expense of, and rise on the ruin of, the other.

Indian nationalism has struck a different path. It wants to organize itself or to find full self-expression for the benefit and service of humanity at large … God having cast my lot in the midst of the people of India, I should be untrue to my Maker if I failed to serve them. If I do not know how to serve them I shall never know how to serve humanity. And I cannot possibly go wrong so long as I do not harm other nations in the act of serving my country.

Mahatma Gandhi (Young India, 18 June 1925, p211)

NON-COOPERATION WITH EVIL IS AS MUCH A DUTY AS IS COOPERATION WITH GOOD (GANDHI)

NON-COOPERATION WITH EVIL IS AS MUCH A DUTY AS IS COOPERATION WITH GOOD (GANDHI)

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ALL TRUTH PASSES THROUGH THREE STAGES; FIRST, IT IS RIDICULED, SECOND, IT IS VIOLENTLY OPPOSED, THIRD, IT IS ACCEPTED AS BEING SELF-EVIDENT. (Arthur Schopenhauer)

I WILL TELL YOU ONE THING FOR SURE. ONCE YOU GET TO THE POINT WHERE YOU ARE ACTUALLY DOING THINGS FOR TRUTH'S SAKE, THEN NOBODY CAN EVER TOUCH YOU AGAIN BECAUSE YOU ARE HARMONIZING WITH A GREATER POWER. (George Harrison)

THE WORLD ALWAYS INVISIBLY AND DANGEROUSLY REVOLVES AROUND PHILOSOPHERS (Nietzsche)

Monday, May 30, 2016

Is Earth's Magnetic Field Ready to Flip?


The magnetic field and electric currents in and around Earth generate complex forces that have immeasurable impact on every day life.

The field can be thought of as a huge bubble, protecting us from cosmic radiation and charged particles that bombard Earth in solar winds.

It's shaped by winds of particles blowing from the sun called the solar wind, the reason it's flattened on the "sun-side" and swept out into a long tail on the opposite side of the Earth.

Although invisible to the eye, Earth's magnetic field plays a huge role in both keeping us safe from the ever-present solar and cosmic winds while making possible the opportunity to witness incredible displays of the northern lights. 

Like a giant bar magnet, if you could sprinkle iron filings around the entire Earth, the particles would align to reveal the nested arcs of our magnetic domain. The same field makes your compass needle align north to south.


Illustration of the invisible magnetic field lines generated by the Earth. Unlike a classic bar magnet, the matter governing Earth's magnetic field moves around.

The flow of liquid iron in Earth's core creates electric currents, which in turn creates the magnetic field.

We can picture our magnetic domain as a huge bubble, protecting us from cosmic radiation and electrically charged atomic particles that bombard Earth in solar winds. Satellites and instruments on the ground keep a constant watch over this bubble of magnetic energy surrounding our planet.

For good reason: it's always changing.


Earth's magnetic field is thought to be generated by an ocean of super-heated, swirling liquid iron that makes up its the outer core 1,860 miles (3000 kilometers) under our feet.

Acting like the spinning conductor similar to a bicycle dynamo that powers a headlight, it generates electrical currents and a constantly changing electromagnetic field.

Other sources of magnetism come from minerals in Earth's mantle and crust, while the ionosphere, magnetosphere and oceans also play a role.

The three Swarm satellites precisely identify and measure precisely these different magnetic signals.

The European Space Agency's Swarm satellite trio, launched at the end of 2013, has been busy measuring and untangling the different magnetic signals from Earth's core, mantle, crust, oceans, ionosphere (upper atmosphere where the aurora occurs) and magnetosphere, the name given to the region of space dominated by Earth's magnetic field.

At this week's Living Planet Symposium in Prague, Czech Republic, new results from the constellation of Swarm satellites show where our protective field is weakening and strengthening, and how fast these changes are taking place.....

Further results are expected to yield a better understanding as why the field is weakening in some places, and globally.

We know that over millions of years, magnetic poles can actually flip with north becoming south and south north. It's possible that the current speed up in the weakening of the global field might mean it's ready to flip.

Although there's no evidence previous flips affected life in a negative way, one thing's for sure.

If you wake up one morning and find your compass needle points south instead of north, it's happened.

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