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

Publication Date

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 5:04 PM

Yemen's Multilayered War: Southern Secessionist Movement

This is the 5th part of a short explainer article series on the current crisis in Yemen. To read the earlier parts of the series click on the link.

To read the 1st part of the series click on the link.

To read the 2nd part of the series click on the link.

To read the 3rd part of the series click on the link.

To read the 4th part of the series click on the link.

Since the unification of Yemen in 1990 the political, economic and military leadership was dominated by the Northerners which resulted in continuous conflicts. It was the fight against Al Qaeda linked elements and the Houthis that the political and military forces continued to work together.

A formidable coalition of UAE and Saudi Arabia, led by Mohammed Bin Zayed (MBZ) and Mohammad Bin Salman (MBS), the Crown Princes of respective countries, backed the deposed President of Yemen Mansour Al Hadi in his fight against Houthis. The Houthi forces were supported primarily by Iran which is the geopolitical rival of Saudi Arabia.

The coalition forces used heavy aerial bombardment and naval blockades, but contrary to their expectation, Houthis proved to be formidable opponents and were able to withstand the assaults. President Hadi was confined to Aden and his forces, in spite of massive backing, couldn't dislodge the Houthis from Sana’a. Iranian help in the form of military hardware and trainers enabled the Houthis to launch some spectacular attacks deep inside the Saudi Arabian territory as well.

The failure of President Hadi led forces against Houthis along with the increasing activities of Al Qaeda in Arabiam Peninsula (AQAP) encouraged the revival of a long suppressed secessionist movement in Southern Yemen, Al-Hirak al-Janoubi commonly called Hirak.

Al-Hirak al-Janoubi :

During the rule of President Abdullah Saleh’s rule in 2007, another movement for promoting the secession of Southern Yemen was launched. It was known as Al Hirak and its objective was to revert to the pre-unification status of Yemen. This movement could not garner much support but was lying dormant for a long time.

In 2017 a faction of Al-Hirak movement formed Al-Hirak al-Janoubi or The Southern Transitional Council (STC). Its current members consist of governorates in the southern part of Yemen. It is headed by a former governor of Aden, Aidarus al-Zoubaidi.

Aidarus al-Zoubaidi, Head of STC | Source: Aboodalyazedi Via Wikimedia

Zoubaidi was dismissed as governor of Aden by Hadi in 2017 for his close ties to the UAE. As a governor Zoubaidi was quite popular in Aden, and his dismissal was met with protests against President Hadi. With support from the UAE he went on to form the STC, also known as the Separatists.

In 2018, the Separatists occupied the government at Aden in a coup d’état against the Hadi government, leading to 38 deaths. The Hadi government called this a UAE backed-coup. Since the UAE and Saudi Arabia are part of the same Arab coalition, they agreed to sit down for talks regarding the Yemen issue.

Despite this, the Separatists took over Aden in 2019, leading to much confusion over who controls the basic services and administrative duties (such as payment of civil servants) in the city.

The BBC reported that “In April 2020 the STC declared self-rule in Aden, breaking a peace deal signed with the internationally recognised government, saying it would govern the port city and southern provinces.”

So in effect Yemen is now governed by three separate entities, Houthis in North Yemen, STC and Hadi faction in Southern part of Yemen. Apart from this in parts of tribal hinterland, Al Qaeda is running its writ. There is a real danger that Yemen is now on the path to disintegration.

To read the 6th part of the series click on the link.

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