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 4:57 PM

How COVID-19 devastated African Safari industry

With COVID-19 wrecking the economies of superpowers like the US and China, Africa is no exception. The continent of Africa is bestowed with rich biodiversity which attracts millions of tourists every year. But due to the pandemic, the safari industry of Africa is in a freefall.

The countries which are visited more often by the international tourists for their remarkable safari experiences include Botswana, Kenya, Namibia, Rwanda, South Africa, Tanzania, Uganda and Zambia. These contribute more than 12 billion US dollars to the economy, according to the United Nations World Tourism Organization (UNWTO).

The tourism industry is one of the most impacted economic sectors due to lockdowns being imposed all over the world. The magnitude of loss came into light when Safaribookings.com, a website for booking safari tours in Africa, ran its fourth monthly survey. The bookings this year declined by a massive 75%. “We don’t have bookings, and we don’t have money to pay salaries for staff, office rental etc. Things are really bad” says a Kenyan safari vehicle operator. Thousands of the people depending on services related to industry lost the livelihood due to this downturn..

Khimbini Hlongwane, the proprietor of a small tour business in Kruger National Park of South Africa, is devastated as he had invested all his savings to purchase a new minibus for his visitors. “It hasn’t moved since the day we bought it,” he says.  Leon Plutsick, who owns a lodge in Manyeleti private game reserve adjacent to the Kruger National Park says that he is barely surviving on the remaining meagre reserves. What used to be a lodge packed with tourists, is now replaced by Baboons. A tour guide and father of four, Sipho Nkosi, who earns a decent amount of 550 rand per tour, finds himself and his family in troubled waters. “We’d saved some money. But it's running out, so we’ll start starving” he says.

Not only the local communities but also the prolific wildlife of Africa is bearing the brunt of the pandemic. Tourist funds play a key role in conservation projects. Jackson Looseyia, a conservationist and lodge owner at Maasai Mara says, “In conservation terms, it is a crisis. We have no money coming in whatsoever, and the future is so bleak”.

Many of the families dependent on ecotourism see no option but to turn towards poaching as a means of survival. This further poses a threat to the species. Dickson Kaelo, CEO of Kenya Wildlife Conservancies Association says, “Due to the high rates of unemployment, commercial bushmeat has become rampant in some areas. Recently there were even cases of giraffes killed for commercial purposes”. At least six black rhinos, who might face extinction soon, were killed by poachers in Okavango Delta, Botswana, in the month of March. Efforts are being taken to evacuate the remaining rhinos and shift them to safer places.

The Tourism Business Council of South Africa is urging the government to reopen the national parks and sanctuaries for the public, latest by September. However, the South African government states that the tourism industry is not likely to reopen before 2021.

Kenya, Namibia and Rwanda are not open for tourists. Zambia is permitting tourists but with an obligatory two-week quarantine. Tanzania has imposed no such requirements. However, tourists will think twice before going on any international trips as we have not yet won the fight against coronavirus.

All this has left the people associated with the ecotourism sector in Africa in a dark tunnel with seemingly no end at the moment.

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