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 4:40 PM

Gaza under Israeli blockade — Its Impact on COVID-19

The Gaza Strip has faced massive destruction due to Israeli-led blockade since 2007. Israel controls all the entry and exit points of Gaza which it uses to restrict the movement of goods and people between Gaza and the outside world, effectively turning it into the “largest open-air prison” in the world. Gaza, as a result of the humanitarian crisis since the last 13 years is now one of the most densely populated yet the poorest spaces in the world. This has adversely impacted the delivery of public services, including healthcare service in Gaza strip. According to the head of the International Committee of the Red Cross (ICRC) sub-delegation to Gaza, Ignacio Casares, the health system in Gaza “is already overstretched, already at its limit,”. Daily power cuts and irregular electricity supply add on to this which forces Doctors to rely on generators during emergencies. This horrible condition was documented earlier as well in a 2017 UN Report which stated that the Gaza Strip would be “unlivable” by 2020. 

The 13 years long blockade has forced the government as well as people living in Gaza to manage the harsh conditions with the meagre resource at their disposal.  The WHO  had pointed out in a report last year that all the patients and their companions were required to apply for Israeli permits to exit the Gaza Strip for accessing the hospitals in the West Bank, including East Jerusalem, and Israel,". "Access has been particularly problematic in 2019, with the patient permit approval rate declining”. 

People in Gaza strip are now battling the COVID-19 pandemic also with the help of simple whatever meagre resources at their disposal. The healthcare and other authorities understood that they would not be able to provide the hospitalization if the pandemic broke out, so they took some immediate steps to contain the COVID-19 from the early stage. The places of large public gathering like street markets, shops, shopping malls, wedding halls were ordered to lock down by State authorities. A senior official with the Hamas movement said at a news conference that officials were considering imposing a curfew. Using the traditional methods, the authorities built more than 1000 quarantine rooms in the Gaza Strip. Palestinian Ministry of Health states that quarantine centres are established in three places: Rafah, Deir Al-Balah, and Khan Younis. More than 1000 people who came from the Israel and Egypt borders were quarantined in schools, hotels, and hospitals. 

With the increase in the number of cases, society started displaying anxiety and fear but it was overcome by mutual cooperation. The State of Palestine and its citizens has proved that the constraints cannot become an obstacle in dealing with the pandemic.

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