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 5:05 PM

Art as a tool of Palestinian Resistance

The Israel-Palestine conflict is one that has been fraught with violence and displacement, more so for the Palestinians. This is a complicated history of war and disagreement over the possible solutions. However in recent years, the actions of Israel’s right-wing coalition government under Prime Minister Benjamin Netanyahu are making the path to peace even more difficult.

Many artists, especially those of Palestinian origin, across the creative mediums, have turned to art as a medium of expression against the Israeli government’s repressive policies and to show the suffering of the Palestinian people.

Graffiti of  Marouane Barghouti, imprisoned Palestinian activist | Source: thierry ehrmann via Flickr

The heroes of Palestinian resistance against the Israeli occupation are a popular subject of resistance art by Palestinian artists. It is mainly expressed in the form of murals, graffities, and posters.

Another important theme in Palestinian art surrounds the Nakba, which refers to the exodus of a large number of Palestinians after the formation of the state of Israel.

Palestinian refugees leaving the Galilee in October–November 1948 | Source:  Fred Csasznik via Wikimedia

A popular street artist Banksy has left his unique mark in support of Palestinian resistance, and not just in the form of street art which lines the Israeli West Bank barrier and other areas of the West Bank.

Street Art by Banksy | Source: Dan Meyers via Unsplash

Banksy also opened the Walled Off Hotel in 2014 where all the rooms overlook the barrier or apartheid wall, as it is known in Palestine, and each contains various artworks depicting life under occupation.

The most recent contribution from Banksy in this regard has been a small art piece that was displayed inside the hotel last Christmas, called ‘The Scar of Bethlehem.’ It depicts a nativity scene (the birth of Jesus) set to the backdrop of the concrete barrier, with a bullet hole in it resembling a star and has garnered praise from many western news outlets as a symbol of solidarity with Palestinian suffering.

Posters, and innovative methods of distributing the same, are another form of artistic protest. These range from the posters by various artists published in a leftist French newspaper, meant to be cut out and pasted on walls by the public; to the Turkish graphic design professors using public walkways to exhibit posters in solidarity with Gaza.

A card marking the tenth anniversary of the launching of the Palestinian revolution in 1965 | Source: Nawal Abboud via The Palestinian Poster Archives

Posters have also sprung up in various places across the world, including Israel, calling for active demonstrations against Israel’s plans to annex the West Bank. All of the mentioned posters continue to be collected in the digital archives of the Palestine Poster Project.

Another popular collection dates back to 1970s Australia, circulated by Ali Kazak, a Palestinian ambassador, called “landscape posters” for their focus on Palestinian land. Many posters utilised symbols such as traditional Palestinian dresses, fruits such as olives and oranges, and keys, which refer to the refugees.

Some of the older art from around the 1970s focused on pre-war Palestinian life and culture, while the newer art takes a multi-media form through photographs, science fiction and films. Similarly, many murals can be found surrounding Land Day, which serves as a reminder of a massacre in 1976 in response to a protest.

Artistic symbolism also often uses the concept of Sumud, which means resilience in Arabic, and is used to refer to a “sense of rootedness” to Palestinian land.

Music also found its voice as a form of self-expression and resistance. In 2018, music platform Boiler Room hosted Boiler Room Palestine for the first time. The show featured a diversity of Palestinian artists from Palestinian and Israeli territories. The crew for the show had to enter Palestine through Israel, giving them a small taste of the limitation of movement for Palestinians.

Palestinian art continues to grow as a form of self-expression, as a form of resistance to Israeli policies, and as forms of cultural history in an endeavour to keep Palestinian spirits and identity alive as their lives get shrunk into smaller and smaller pieces of land.

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