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 4:49 PM

Paradise for wildlife created on a private land in India

Amidst the horror filled reports and anecdotes making it to the news bulletin in 2020, a wonderful story of altruism emerges from Rajasthan, India. Complete lockdowns followed by nations might have brought down our productivity and economy but it gave nature a chance to heal from the torments it faced due to us humans. However, Aditya and Poonam Singh, a couple from Rajasthan lent the environment a helping hand in speeding up the process of bringing biodiversity back to life.

The couple moved to Sawai Madhopur, a city in Rajasthan near Ranthambore Tiger reserve, in 1998. It was his passionate love for nature that made Aditya quit his prestigious Civil services job, give up the comfortable city life of New Delhi and shift to Rajasthan. In fact, his wife, Poonam was the one who suggested they move since both of them fell in love with Ranthambore when they first visited the National Park. “My first sighting was a tigress with three cubs on a hill. It was magical. At the end of the trip, I just asked him if we can move to Ranthambore. He wanted it too and within months we moved” says an ecstatic Poonam Singh.

After moving, they started a tourist resort as a means of earning their daily bread. Gradually, Mr. Aditya started purchasing the barren agricultural fields around Ranthambore Tiger reserve (RTR), an area known as Bhadlav (now Bhadlao). These fields would often be visited by predators like tigers, had no access to good roads or electricity, and were not being used extensively for farming. Due to such dangerous circumstances Mr. Singh got  fields at a cheap price from the owners who wanted to sell and move out.

Mr Singh left these plots of land for a long time to the mercy of nature and they soon grew into plush mini forests with two natural water holes. He also constructed a few artificial water holes for the animals visiting the area during summer heat. “I just bought this and did nothing to it except removing the invasive species. We allowed the land to recover and now after 20 years it has become a lush green patch of forest which is frequently visited by all kinds of animals, including tigers, leopards and wild boars, throughout the year,” says Singh.

These mini forests provide shelter and protection to those sub-adult tigers which are driven towards the edges of Ranthambore Tiger Reserve. Additionally, the couple is also working towards building a homestay for tourists which will be powered by renewable energy sources like solar and wind power. Mr. Singh’s beautiful story of their 40 acres huge sanctuary was shared to the public by The World Economic Forum via twitter and his efforts were highly lauded by millions of people.

The once barren fields which are now lush green forest have seen tremendous growth in commercial value. Mr Singh is regularly approached by suiters for sales or joint development of this area however he has never entertained these proposals. He says..  “Money was never the consideration. It is just about my love for nature and wildlife” Such unselfish acts are indeed rare in today’s times. Aditya and Poonam Singh are indeed a prime example of late Mahatma Gandhi’s saying ‘Be the change you wish to see in the world’.

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