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 5:04 PM

Kosovo and Serbia- A never ending saga of conflict

Kosovo is a small landlocked country in the Western Balkans with a majority of ethnic Albanians and Muslims. The country formerly was a part of Serbia but declared independence in 2008. While Kosovo’s independence has been recognized by nearly a hundred nations including the US, countries like Russia and China along with a few European Union nations have sided with Serbia against Kosovo.

Kosovo and Serbia have been at crossroads for a long time. Kosovo used to be a Serbian province under the communist-run Yugoslavia. However, the dissolution of Yugoslavia and the move by Serbian leader Slobodan Milošević to bring Kosovo directly under Belgrade’s administration fuelled war between the two regions.

The situation worsened with the violence in the Bosnian War ensuing from 1992-95 which was termed as “ethnic cleansing” of Muslims. By 1996, the Kosovo Liberation Army (KLA), a paramilitary group had been formed in response to the campaign of Milošević. The situation remained tense with Serbian Police killing nearly 50 people of a KLA member’s family in 1998.

Violence continued to escalate from both sides as international calls for putting an end to the violence grew. "We are not going to stand by and watch the Serbian authorities do in Kosovo what they can no longer get away with doing in Bosnia," US Secretary of State Madeleine Albright reportedly said. The UN banned the sale of arms and ammunition to Serbia as NATO began to plan an intervention in 1998.

However, the situation escalated to a worse in the "Račak Massacre" of 1999, wherein Serbian special police killed 45 ethnic Albanians. The NATO then initiated a 77-day air campaign which ended with the withdrawal of the Serbian army and the paramilitary force of Kosovo. Kosovo became a self-governed territory post the NATO campaign under the United Nations.

Despite several efforts from the European Union and the UN, the two countries have failed to arrive at a common ground till date. Kosovo declared independence in 2008 but Serbia does not acknowledge it despite having no formal control in the region.

In 2016, the countries yet again saw each other at crossroads when Kosovo sought to attain 80% shares of the Trepca mining and metallurgical complex in the northern region which is dominated by Serbs. The dispute became so pressing that it became one of the agendas for the UN Security Council.

In early 2017, Belgrade, the capital of Serbia, issued an international arrest warrant for former Kosover guerrillas including Ramush Haradinaj who served as a commander in the 1998-99 war against Serbian rule. He also briefly served as Prime Minister of Kosovo in 2004 and 2005.

As Kosovo asked the EU to press Serbia for dropping the charges, government and opposition leaders called for an end to the EU-mediated talks between Serbia and Kosovo. Serbia’s move to give the nod for Haradinaj’s extradition from France where he was being detained was met by Kosovo’s move to cancel Serbian President’s visit to a mainly ethnic Serb town in Kosovo on the eve of Christmas Day.

The gunning down of Oliver Ivanović, an ethnic-Serb politician in northern Kosovo in 2018 was yet another setback for the worsening ties between the two countries. Then Serbian President Aleksandar Vucic termed it an “act of terrorism”.

Late in 2018, Serbia blocked Kosovo’s bid to join Interpol, a move that saw Kosovo raise customs duties on Serbian imports by 100%.

In May 2019, Kosovo carried out a large anti-corruption and anti-smuggling drill wherein it detained nearly 23 people including two UN personnel and fired tear gas as well as live ammunition as per a few reports. The entire drill was concentrated in a Serb-dominated region in the North.

Serbian president Aleksandar Vucic reacted by saying that he wants to "preserve peace and stability", but that Serbia "will be fully ready to protect its people at the shortest notice". The European Union, the United Nations Interim Administration Mission in Kosovo (UNMIK) and KFOR (the NATO-led international military presence) all called for the two countries to maintain peace. However, the situation remains critical.

With Serbia being under pressure from international peacekeepers, it’s highly unlikely that it will intervene through its military forces. However, its influence in the Northern region of Kosovo means that both the countries will have to work towards maintaining amicable ties with each other as Kosovo hopes to become a UN member and a fully functional state.

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