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 5:10 PM

How is Nigeria fighting Boko Haram

It was in the 2000s that Nigeria first faced the threat of Boko Haram, the affiliate of Islamic State in Africa. As President Muhammadu Buhari completes five years of being in power, which he got primarily for his plank of defeating Boko Haram, the battle still continues.

Buhari won the presidential election in 2015 against then President Goodluck Jonathan by touting his military background as an asset in defeating Boko Haram, which his predecessor was not able to do. While in his first few months as President he did show results by pushing Boko Haram out of some territories, the Nigerian military was unable to maintain the momentum as Boko Haram struck back with new tactics.

General Muhammadu Buhari, President, Nigeria | Source: Chatham House via Wikimedia

There is widespread distrust towards government officials and Buhari’s popularity has also eroded massively. The citizens are making their dissatisfaction known through anti government demonstrations. Meanwhile the administration seems busy playing blame games and guessing at where things are going wrong in the military’s efforts to contain the violence.

In June 2020, Nigeria saw one of its deadliest attacks in recent times, a hard turn from claims by the military in April that a Boko Haram leader appeared ready to surrender “based on body language.”

Boko Haram which means "Western education is prohibited" in the local Hausa dialect, first began in 2002 under Muhammad Yusuf. They called shunning the western influence in the social sphere and called  for the enforcement of sharia even among non-Muslims. Its leader Mohammad Yusuf was killed in police custody in 2009. However the government authorities failed to utilise this opportunity and showed slackness in rehabilitating the group members, who moved underground, regrouped under new leadership, and continuing to terrorise even larger areas.

Image of Boko Haram terrorists | AK Rockefeller via Flickr

Many factors have been considered in piecing together what led to the creation of Boko Haram and how its existence has been sustained, ranging from support from ISIS, ability to internationalize as a group, and possible assistance from Libya.

The US and Europe have been seen as reluctant to extend any real aid, perhaps due to Nigeria’s oil reserves and a desire to keep African countries destabilised to maintain their neo-colonial stronghold in the region. Internally, corruption and laxity in action of troops has often been cited as big hurdles in controlling the situation.

Two Boko Haram vehicles destroyed. | Source: M. Kindzeka via Wikimedia

As for solutions, many have turned their focus towards rebuilding communities in the aftermath of thousands of people being murdered and displaced due to the ongoing violence. Not just civilian casualties, but a disastrous lack of necessities such as food, water and electricity is leading to a humanitarian crisis in the area falling in the conflict zone between Boko Haram and the military.

President Buhari currently seems slow to admit that Boko Haram cannot be “defeated on the battlefield alone.” Apart from improving the military’s response he must also take measures for alleviating poverty, destroying corruption and ‘de-radicalisation’ of those recruited into Boko Haram.

Some localised efforts are being taken to stabilise the situation by empowering communities to resolve conflicts, improving civil infrastructure, and reintegrating reformed militants.

However, localised efforts are short-term in nature, and their stability and success is greatly determined by the government which understands that more than killing the attackers, trust and active participation of its citizens is needed to resolve this conflict

The impact of Boko Haram on the people of Nigeria has been multifold, and the arsenal to ‘defeat’ Boko Haram must be expanded and redefined.

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