Saturday, July 25, 2020

Physics and Technological Revolutions

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Oem Trivedi

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Physics and Technological Revolutions

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Global Views 360

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July 25, 2020

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IBM Quantum Computer, an innovation based on Quantum Physics

IBM Quantum Computer, an innovation based on Quantum Physics | Source: IBM Research via Flickr

As he witnessed the first detonation of a nuclear weapon on July 16, 1945, a piece of ancient Scripture “Bhagwad Geeta” ran through the mind of Robert Oppenheimer: “Now I am become Death, the destroyer of worlds”. Oppenheimer, alongside the likes of Richard Feynman, Enrico Fermi, George Gamow, was part of the star-studded Physicist squad behind the Manhattan Project.

The biggest implications drawn from the end of WW2 for many might have just been the incoming power Struggle between the US and Soviet Union, but for your average American it went to a great length to show that Physicists form a breed of people who can build dangerously effective technology.

That fact, however, would have been evident to anyone with a brisk walk through Human History itself. Physicists have arguably provided the most significant contributions to the Technological Development of our race. From Archimedes building light reflectors to save the Greek Army from Roman Infiltration to the large-scale Ballistic Missile systems made during WW-II, weaponry technology has been highly influenced by physicists in every generation.

But mere list of armaments cannot do justice to the role played by Physics Research in Technological Developments of our society. To get a feel for that, let’s go back to the fathers of Modern Physics as we know it; Sir Isaac Newton and Galileo Galilei. Galileo had his long list of achievements in creating cutting edge technology of the day, ranging from Telescopes to Thermometers & the Magnetic Compass. Sir Isaac for his part was the reason behind the advent of the Industrial Revolution in Great Britain!

The simple Atwood Machines which have today become mainstay material taught to College Freshman and High School Seniors worldwide, were actually the kind of mechanical models on which the large-scale Factory Machines were built. Newton’s laws kickstarted the modern Technological Revolution and ever since then, Physics has been a constant source of inspiration behind all Technology.

The great pioneers in the field “Natural Philosophy” (the physics of today) after Newton continued the trend which their illustrious predecessor had started. The seminal works on Thermodynamics by the likes of Lord Kelvin, Ludwig Boltzmann, James Clerk Maxwell etc. played the decisive part in creating automobile engines and really any technology which dealt with heat (Spoiler Alert- There were a lot of them!). Maxwell’s work on the famous equations on Electromagnetism now named after him played the most significant part in the mission of making Electricity available to everyone (a conquest now just famously remembered for the fight between Nikola Tesla and Thomas Edison).

While one can point out that Theoretical works cannot lead to new Technology on their own, that assertion is only the half-truth. Sure, building technology on the basis of theoretical physics is mostly down to the Engineers, but one cannot underestimate the effect new theoretical developments and their possible uses have on the construction of new technologies. After all, if one was not able to understand the principles of the conversion of mass to energy or Electric & Magnetic Fields are coupled to each other, then expecting the construction of Nuclear Reactors and virtually all Electric Tech today would have been off the table.

So one might ask, what are the new theoretical ideas which can guide the next leap forward technologically? Well, no one can be quite sure of the form which technology will take in even a couple of decades (who would have thought that Server systems designed for efficiently using giant Data in CERN would one day be heavily used for making memes!).

I would go as far as to say that we have not yet completely exhausted the technological possibilities of the Special Theory of Relativity itself, the most prominent example of game changing technology based on that has been GPS Communication systems. One can hence fail to even imagine the kind of technological (and Industrial) progress technologies built on the revealing concepts from General Relativity and Quantum Mechanics can bestow upon us (I’m even refraining to comment on the Quantum Field Theoretic parts!).

Whatever that physics will lead us to is a mystery time will be most suited to answer, but one can see the effects of Quantum Mechanics in the next Computational Revolution itself; Quantum Computing. To put into perspective the extent of development Quantum Computing can bestow upon us, consider the following.

Computational devices today, which are stronger than the computers which put humans to the moon, are fundamentally built upon binary bit systems. From generating Big Bang like Energies in CERN and reaching past Saturn, to making all the knowledge available to everyone has been done in two bits. While Quantum Computers, which are being vividly researched on, can work with virtually infinite bits ! So, hold on tight as exciting new physics promises some large-scale changes on our Civilization as a whole.

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February 4, 2021 4:52 PM

Persecution of Uighur Muslims in China and the silence of Muslim Countries

Uighur are natives of  Xinjiang province of China who are Muslims and regard themselves as culturally and ethnically close to Central Asian nations. Xinjiang province has been under the control of China since it was annexed in 1949 and many Uighurs still identify their homeland by its previous name, East Turkestan. There are around 11 million Uighurs in Xinjiang and China claims that Uighurs hold extremist views that are a threat to national security.

In 2017, the Xinjiang government passed a law prohibiting men from growing long beards and women from wearing veils and dozens of mosques were also demolished.

As per the report of UN Committee on the Elimination of Racial Descrimination, the Chinese government has detained at least one million Uighurs in the detention camps in Xinjiang, China. After denying the existence of the camps for a long time, when the photos of the camps emerged, the Chinese government called them “re-education centres'' for Uighurs though the former detainees said they were detained, interrogated and beaten because of their religion, and not “re-educated.”

In July 2019 to the U.N. Human Right Council, 22 countries, mainly European countries, responded to “disturbing reports of large scale arbitrary detentions of Uighurs” and condemned the Chinese leadership.

Four days later, 37 countries, defended China’s “remarkable achievements in the field of human rights” by protecting the country from “terrorism, separatism and religious extremism.” The list of the 37 countries also included Muslim-majority countries like Saudi Arabia, Pakistan, Egypt, Qatar etc.

At the end of October 2019, 23 countries including France, the United Kingdom, United States denounced the repression of the Uighurs at the UN Committee on Social, Humanitarian and Cultural Affairs. Nevertheless, Beijing won the support of 54 countries, who praised the Communist Party’s management of Xinjiang.

In February 2019, Saudi Arabia showed their “respect” for Xi Jinping, the Chinese leader before they signed major commercial contracts with China. Egypt wants Beijing to finance its infrastructure and hence allowed the Chinese police to interrogate Uighur exiles on its soil in 2017. Pakistan, who has talked about the mistreatment of Rohingyas, has been silent on Uighurs since the Chinese Belt and Road Initiative is going on in the country.

Even Iran, who issues occasional criticism wants support from China and hence keeps the criticism coded. “There is a lot of sympathy for the Uighurs in Turkey, but the reality is that Erdogan needs China as an ally for economic reasons and to counteract the West’s diplomatic pressure on issues like Syria,” said Rémi Castets, a political scientist.

In 2017, the Organisation of Islamic Cooperation responded very differently to the Rohingya Crisis (Myanmar’s military crackdown on the country’s Rohingyas), where countries like Saudi Arabia, Iran and Turkey defended the rights of the Muslim minority group in Myanmar and actively condemned the treatment of Rohingyas in the UN Human Rights Council in Geneva.  

The question here arises is that contrary to the sentiments of their citizens, why do Muslim states stay silent over China’s abuse of the Uighurs?

Sophie Richardson, the director of China at Human Rights Watch, has a short and simple answer — there is less solidarity for Uighur than Rohingyas or Palestinians because China has managed to win these countries’ support due to its economic might.

Only time will tell how long these countries will continue to give preference to the economic interests over the anti-China sentiments of the citizens.

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