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 4:36 PM

How Iceland Beat the Pandemic Without Imposing a Lockdown

Like the rest of the world, Iceland also has to face the COVID-19 situation. This European country of approximately 3.5 lakh population registered the first case of COVID-19 virus on the 1st March 2020 and the number of the infected hit a peak on the 5th May 2020. The active cases declining afterwards and on 24th of May there were only three active cases. Iceland’s response to COVID-19 has been widely lauded.

The country’s small population enabled extensive testing; instead of simply testing symptomatic or exposed people, also tested the general population. Along with the Icelandic health authorities, deCode Genetics, which is an organization committed to mapping and understanding the human genome, undertook the task of testing the general and non-symptomatic population for free. Consequently, Iceland has tested a higher portion of inhabitants than any other country, making it easier to trace how the infection spreads. There has been no lockdown imposed; however, the government has been taking measures to spread awareness for voluntary self-quarantine measures. The government also banned gatherings of more than 20 people on 24th of March which was relaxed to 200 from 25th of May.

The strategy followed by the government of Iceland was based on robust testing, contact tracing of infections, social distancing, increasing public’s awareness of hand-sanitation and voluntary self-quarantine, along with strict measures in healthcare institutions. Through effective contact tracing the healthcare workers were able to reach out to people who came in contact with COVID-19 infected people and recommend them to self-quarantine.

The government was very open in communicating with the citizens on the status of COVID-19 situation in the country. Half an hour long daily briefing on Iceland’s local response to the pandemic was relayed on the public’s screens for the past months until the 25th of May. The briefings were led by Þórólfur Guðnason, Alma Möller and Víðir Reynisson who are the Chief Epidemiologist, Director of Health and Director of Iceland’s Department of Civil Protection and Emergency Management respectively.

Iceland has shown that robust testing regime, contact tracing, and clear communication to the public can be very effective in controlling the COVID-19 before it could turn into a pandemic.

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