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 4:57 PM

Have the French finally started talking about the racism in their country?

France, which boasts about being a color-blind nation, isn’t truly what it asserts. For a non-white citizen living in France, being subjected to bias and ethnic profiling at the hands of some insensitive police officers is a real possibility.

Structural and institutional racism is evident in France, where children as young as 10 years old have to routinely endure police stops, even without being suspicious of any illegal activity. These unlawful stops often involve humiliating body pat-downs and searches of personal belongings are   usually left unrecorded by any agency.  

A speaker at the French media coverage of the Middle East at the Alliance Française in Beverly Hills, Slimane Zeghidour, in an interview with the ‘French Morning’ agency said that, “there is a very strong prejudice of class that is translated to a stigmatization of people”, adding that these targeted people are mainly immigrants from Maghreb or Africa.

The brutal killing of George Floyd in the US kicked off huge protests against the institutionalized racism in France as well. Hundreds of people protested at the Presidential Palace in Paris while 2500 people attended a rally in Lille, 1800 in Marseille, and 1200 in Lyon displaying  placards similar to those in the US – ‘Black lives matter’ and ‘I can’t breathe’.

Alongwith protesting the death of George Floyd, people in France also drew the attention to the murder of a 24-year old black man Adama Traoré in police custody in July 2016 in their own country. The police officers involved in this incident were exonerated which triggered mass protests at that time in France.

Such blatant racism and ethnic prejudice is the result of a sense of supremacy ingrained in the collective psyche of white citizens who constitute the overwhelming majority in France. Instead of acknowledging their racial bias, a large section of whites have started blaming the minorities as the cause of their economic and cultural problems.

When a black national icon of France, Lilian Thuram, the most capped player in the history of the French national team, spoke about the racism incident in a football match in Italy, it caused a massive storm in France.

Thuram said, it is not the world of football that is racist, but "Italian, French, European and, more generally, white culture" is racist. He further stated that "Whites have decided they are superior to blacks and that they can do anything with them," and “It is something that has been going on for centuries unfortunately and to change a culture is not easy."

Thurham was highly criticized and branded ‘anti-white racists’ by the far-right extremists and their sympathetic journalists. This criticism later expanded in the mainstream media as well.

Not only the far-right extremists, even the government flatly denies the existence of extreme violence and institutional discrimination in France.

“I don’t believe we can say that France is a racist country,” says Sibeth Ndiaye, a French Government spokesperson to the journalists after a cabinet meeting, when people took to streets in June 2020, all the while justifying that France cannot be compared with the USA.

Well, with fueling protests and awareness, things are slowly changing and the taboo around race and white supremacy is losing its grip. People have gradually started to acknowledge their identity as ‘white’ or ‘black’ and the mainstream media is now talking about race.

As Mr. Fassin, a sociology professor at the University of Paris says, “My hope is we'll realize that talking about race isn't against democracy but rather about democracy”, he reflects optimism for a better tomorrow.

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