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 4:47 PM

Germany’s evolving fight against the far-right extremism

Several shocking incidents of attacks on racial or religious minorities in Germany are making headlines for the last few  years.

In June 2019, a pro-refugee regional official Walter Lübcke was gunned down at his home in Central Germany by a 45-year old man, Stephan-Ernt’s. According to the prosecutor, Dr. Walter Lübcke's argument in favor of accommodating refugees in the town of Lohfelden had instigated xenophobic and extremist thoughts in the mind of his killer.

Two people were killed by a heavily armed man during a failed attempt of massacre at a Synagogue in the city of Halle in October 2019. In yet another shootout, nine immigrants and ethnic-minority Germans were killed during an unrestrained shooting in Hanau on 19th February 2020.

The government investigations and media reports blamed individuals linked or influenced by the far-right extremists groups for these attacks.

In November 2011, government Investigations revealed that National Socialist Underground(NSU), a Neo-Nazi terrorist group has fuelled the Nazi idealogy for decades and is responsible for various killings including murders of immigrants and foreigners.

Another far-right group known as the Frietal Group, launched attacks on refugee shelter houses and political opponents in the town of Saxony in 2015, claiming that they are protecting Germany from foreigners.

The German law enforcement authority also arrested members of the Revolution Chemnitz in 2018, who were allegedly planning attacks on immigrants, journalists and political opponents. Eight members of the group were sentenced to several years in prison by a court in Germany on 24th March 2020.

Looking at the rampant spread of hate, Holger Munch, the president of Federal Investigative Police Agency of Germany (BKA), accepted that suspects of the right-wing extremist under the observation of BKA have increased from 4 in 2012 to 46 in 2020, adding that “the far-right poses a pernicious and growing threat with 3 acts of far-right violence every day”.

In order to curb the spread of hatred, xenophobia, and anti-semitism by the right-wing activists, the German Government drafted a nine-point strategy to combat the recent.

The key aspects of the nine-point strategy a) Internet Service Providers to report any hate speech forwarded/shared on Social Media or the Internet along with the IP address of the wrongdoer to the government authorities, b) Tighten Gun laws with a mandatory check on requests to keep arms by the domestic intelligence police (BfV) was another stance of the government, c) Revising the existing prevention programs aimed to tackle right-wing extremism, and d)  Special protection for the politicians at local, state, and federal level who were considered to be under the threat from right-wing extremists.

The BKA President, Holger Münch said that by deploying a police patrol team online just like police officers patrol streets, the government can ensure promising results. With the increase in funding and personnel in Germany’s security apparatus sanctioned in the state budget discussion 2020, Münch reflected optimism that agencies could now work better and more efficiently in battling crime and violence.

Keeping aside the various controversies, it is also imperative to acknowledge the efforts of Dortmund, a western city in Germany, in curbing the rising trend of far-right extremism. Dortmund being an important city in the country invited migrants from Turkey and Southeast. More than 3000 immigrants from over 70 countries including Iraq, Syria and Afghanistan live here making it a hotspot, attracting xenophonic and far-right crimes.

In 2015, a special task force was set up in Dortmund to take action against far-right extremists and the city to a large extent has been successful in curbing their activities. According to the city's police chief, Gregor Lange, Offenses such as sedition, verbal assault, racist propaganda, and damage to property were down by 25%. Violent crimes such as arson and bodily assault went down by 35% year-on-year. The drop is even more impressive compared to five years ago, when figures were 50% and 80% higher, respectively.

The success of Dortmund city in fighting far-right extremism gives a hope that the nationwide implementation of nine-point strategy will help in curbing the rising trend of violent extremism in Germany

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