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 4:53 PM

Assam Floods 2020: What no one is talking about

With the COVID-19 pandemic under limelight this year, many other devastating incidents are sadly being pushed under the carpet. The raging floods in Assam, a North-Eastern province of India, is one of the scenarios not receiving much attention.

The flooding of third longest river of the world, Brahmaputra and its tributaries have claimed more than 75 human lives and affected a population of over 300 thousand. This is a lot more than the number of people affected due to COVID-19 in India.

As per the Assam State Disaster Management Authority (ASDMA), 26 of 33 districts across the state are badly affected. Roughly 85% of Kaziranga National Park, which is a UNESCO world heritage site and a home to the rare one-horned rhinoceros, is submerged under water, killing as many as 100 animals including nine rhinos. Hundreds of other animals are fleeing the inundated forests and seeking refuge in the nearby villages.

Landslides triggered due to floods have resulted in approximately 25 deaths. Additionally, the fire which broke out at a gas well of Oil India Limited (OIL) in the Tinsukia district of eastern Assam displaced many people from their houses, destroyed tea gardens and polluted Maguri-Motapung Beel, a nearby water body. The fire was so severe that even a month was not enough to extinguish it completely.

However, the state government is doing their best in turning schools and similar places into relief camps and distributing necessities like food, masks and sanitizers to the displaced. Nearly 125 animals have been rescued.  “We have 40 teams of the State Disaster Response Force in the worst-hit areas and the army also is on standby,” says M.S. Mannivanan, head of ASDMA, as of July 16, 2020. Almost 50,000 people are seeking refuge in more than 600 relief camps.

PM Modi finally spoke to Sarbananda Sonowal, Chief Minister of Assam on July 19 and enquired about the floods and the fire which broke out at OIL. He assured his full support as well. The United Nations has also lent a helping hand, stating that it is ready to support the Indian Government, if need be.

Keeping the current pandemic in mind and adhering to the guidelines of social distancing, more areas have been converted into relief camps. Usually, a space of 3.5sq m is allocated to every individual. Whereas now, due to the current circumstances, every person gets double the area. Strict rules are also being followed to ensure safety and hygiene. Fortunately, there are no reported cases from these camps, as of July 19, 2020.

Along with relief camps, many distribution centres have also been set up across 21 districts of Assam. The authorities have distributed about 7 lakh kilograms of staple food items like rice, dal and salt along with roughly 11,000 litres of mustard oil and other required goods, as of July 13, 2020.

The devastating floods which is a recurring phenomenon in Assam indicates that extreme events are now more likely to occur as our weather patterns continue to deteriorate due to climate change. These incidents are merely showcasing the power nature which is unleashed from time to time as a warning to the humankind.

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