Showing posts with label Keeping. Show all posts
Showing posts with label Keeping. Show all posts

Thursday, April 30, 2015

US Warfare State Regime Only Means Keeping Nation from Total Collapse


""The US has always been a warfare state. However, the character of US imperialist warfare has changed dramatically. For over two centuries, the US regime’s purpose for war, whether on indigenous peoples, Black people, or nations all over the world, was to expand the productive forces of capitalist exploitation. War preceded the vast profits accumulated from chattel slavery, land grab, and resource extraction in Africa, Asia, and Latin America. The foundation of white supremacy and capitalism allowed the US regime to consolidate its expansion despite episodes of periodic crisis. Recent events, alongside a steady fall in the rate of capitalist profit, indicate that US imperialist warfare no longer produces the dominance the system seeks. Now more than ever, US imperialism wages war to prevent its inevitable collapse.
US imperialism is in a state of retraction all over the globe. Cuba’s recent victory in negotiating itself off the so-called “terrorist” list is case and point. For almost six decades, Cuba’s revolution has been a beacon of hope in the midst of the misery imposed by US imperialism in Latin America. Cuba’s continued refusal to give up Assata Shakur and its socialist system, complete with free healthcare, education, and housing, has kept the island nation an enemy of the US state. Yet, beginning in December 2014, Cuba has negotiated the freedom of the Cuban 5 and struck a deal for more fraternal relations with Washington. These major victories for the Cuban revolution have setback US imperialism’s age old plan to institute a neo-colonial government. Although Cuba will always face attacks from US imperialism as long as it exists, such diplomatic victories bring much needed security in a period of hostility.
Cuba’s major gains in the diplomatic arena are emblematic of US imperialism’s decline in Latin America generally. Cuba and Venezuela’s leadership have spearheaded a movement to build an independent and integrated Latin America, especially through the institutions of UNASUR and ALBA. What once was US imperialism’s primary sphere of influence is no longer. To counter the revolt against neo-liberalism in Latin America, US imperialism has continued to pursue the overthrow of VenezuelaEcuador, and other non-aligned nations, while expanding its military reach in Africa and Asia.  In 2014, the US conducted 674 military operations throughout Africa and helped coordinate the destruction of socialist Libya in 2011. Furthermore, Washington has pursued a policy of destabilization alongside its Israeli and GCC allies,sponsoring terrorists in Syria while conducting a fraudulent war against ISIS in Iraq.
These developments are indicative of a geopolitical shift away from US hegemony. Even as US multinationals and financial banks flood the world with parasitic “markets that suck workers and nations dry, the crisis of imperialism has spurred the development of a multi-polar order. China and Russia’s increased relations along with the formation of the Asia Infrastructure Bank and BRICS have struck fear in the eyes of the shrinking US imperial economy. The War on Terror gave a facelift to US imperialism’s war of containment and plunder under these conditions. In the process, US imperialism has murdered millions in IraqAfghanistanLibyaSyriaSomalia, and has militarized the borders of Russia and China borders in an effort to forestall the emergence of a global consensus on independent development.
Iran is seen by US imperialism as a major player in the development of a multi-polar world. US imperialism’s murderous military ventures seek to isolate and eventually overthrow Iran. In fact, NATO general Wesley Clark made this explicitly clear to Democracy Now’s audience in 2007 when he stated that Washington’s imperial design for the Middle East had Iran as its target. But Iran walked away from negotiations with the US and its allies with its sovereignty intact and S-300 missile systems from Russia as added defense. It appears that US led sanctions on the Islamic Republic and its proxy war in Syria and the region has, for the time being, failed to grant imperialism its ultimate wish of Iran’s demise. And with Russia’s agreement to distribute S-300′s to the Islamic Republic, the potential military intervention to achieve said wish is significantly reduced.
Just as Ed Snowden’s revelations didn’t stop the FBI from continuing to create the so-called terrorist attacks in the US as justification for a massive surveillance state, so too does US imperialism continue its worldwide march to war despite the geopolitical shift against it. Not long after Iran agreed to the nuclear deal put forth by imperialism, Washington sent two warships to Yemen to supposedly intercept ”Iranian weapons shipments.” This is hardly representative of a move to ease relations.""

Friday, March 27, 2015

Quantum Entaglement Light Photon Created to Contain Thousands of Atoms for Advanced Atomic Time Keeping

Physicists from MIT and the University of Belgrade have developed a new technique that can successfully entangle 3,000 atoms using only a single photon. The results, published today in the journal Nature, represent the largest number of particles that have ever been mutually entangled experimentally.

The researchers say the technique provides a realistic method to generate large ensembles of entangled atoms, which are key components for realizing more-precise atomic clocks.
“You can make the argument that a single photon cannot possibly change the state of 3,000 atoms, but this one photon does — it builds up correlations that you didn’t have before,” says Vladan Vuletic, the Lester Wolfe Professor in MIT’s Department of Physics, and the paper’s senior author. “We have basically opened up a new class of entangled states we can make, but there are many more new classes to be explored.”

Vuletic’s co-authors on the paper are Robert McConnell, Hao Zhang, and Jiazhong Hu of MIT, as well as Senka Cuk of the University of Belgrade.

Atomic entanglement and timekeeping

Entanglement is a curious phenomenon: As the theory goes, two or more particles may be correlated in such a way that any change to one will simultaneously change the other, no matter how far apart they may be. For instance, if one atom in an entangled pair were somehow made to spin clockwise, the other atom would instantly be known to spin counterclockwise, even though the two may be physically separated by thousands of miles.

The phenomenon of entanglement, which physicist Albert Einstein once famously dismissed as “spooky action at a distance,” is described not by the laws of classical physics, but by quantum mechanics, which explains the interactions of particles at the nanoscale. At such minuscule scales, particles such as atoms are known to behave differently from matter at the macroscale.
Scientists have been searching for ways to entangle not just pairs, but large numbers of atoms; such ensembles could be the basis for powerful quantum computers and more-precise atomic clocks. The latter is a motivation for Vuletic’s group.

Today’s best atomic clocks are based on the natural oscillations within a cloud of trapped atoms. As the atoms oscillate, they act as a pendulum, keeping steady time. A laser beam within the clock, directed through the cloud of atoms, can detect the atoms’ vibrations, which ultimately determine the length of a single second.

“Today’s clocks are really amazing,” Vuletic says. “They would be less than a minute off if they ran since the Big Bang — that’s the stability of the best clocks that exist today. We’re hoping to get even further.”

The accuracy of atomic clocks improves as more and more atoms oscillate in a cloud. Conventional atomic clocks’ precision is proportional to the square root of the number of atoms: For example, a clock with nine times more atoms would only be three times as accurate. If these same atoms were entangled, a clock’s precision could be directly proportional to the number of atoms — in this case, nine times as accurate. The larger the number of entangled particles, then, the better an atomic clock’s timekeeping.

Picking up quantum noise

Scientists have so far been able to entangle large groups of atoms, although most attempts have only generated entanglement between pairs in a group. Only one team has successfully entangled about 100 atoms — the largest mutual entanglement to date, and only a small fraction of the whole atomic ensemble.

Now Vuletic and his colleagues have successfully created a mutual entanglement among 3,000 atoms, virtually all the atoms in the ensemble, using very weak laser light — down to pulses containing a single photon. The weaker the light, the better, Vuletic says, as it is less likely to disrupt the cloud. “The system remains in a relatively clean quantum state,” he says.

Precise Time:





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