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

Story of Iyad Hallaq: What it tells about Palestinians under Israeli occupation

The death of Iyad Hallaq, an autistic Palestinian man, who was shot dead by two Israeli police officers sparked several unrests in Jerusalem. Iyad Hallaq of age 32 was walking to his school of special needs in the Old City of Jerusalem. According to the statement given by the police officers, Iyad was wearing gloves which made them suspect he possessed a weapon. Iyad, who was diagnosed with low functioning disorder, had limited communication skills. Due to this out of panic, he fled, and the police personnel started firing. He tried to hide behind a dumpster where he was shot dead. It is suspected that one of the police officers might have kept shooting despite receiving orders from his commander to halt.

Following this event, the family’s house was searched without any consent for possible weapons. Later on, the family requested a Palestinian representative to be present during Hallaq’s autopsy. The family alleges that this representative was denied entry. The police sealed off the Old City and reported that the Police Internal Investigations Department would be taking over the investigation of the case.

Mansour Abu Wardieh, the victim's cousin, said the family is not optimistic about the police investigation and fears that the police would end up twisting the facts. This lack of trust in the police authorities could be attributed to the fact that firstly the police have shown their disregard to the family by their actions mentioned above and secondly, in the last ten years Israeli security forces have killed more than 3,400 Palestinians but have only been convicted five times.

These numbers prove that Iyad’s killing is just the tip of the iceberg of the atrocities faced by Palestinians that live under the Israeli occupation. Iyad’s case has created a trigger for the Palestinian Arab minorities in Jerusalem to channel out their frustration. The killing has not only been condemned by Palestinians, but also by Jewish Israelis and international figures. The protests against police brutality after the killing of George Floyd have been gaining momentum and protests in Jerusalem began to draw parallels between these two cases. The protests in Jerusalem resounded with several slogans like ‘Palestinian Lives Matter’ alongside the ‘Black Lives Matter’ slogans.

Though the demonstrations united the Palestinian Arabs and Israeli Jews, it comes as little relief to the family and for Arab minorities. It was after more than a week that the Israeli Prime Minister Benjamin Netanyahu broke silence on this matter. Middle East Monitor reported the exact comments of the prime minister “What happened to Iyad Hallak is a tragedy. This was a man with disabilities, autism, who was suspected – and we (now) know wrongly – of being a terrorist in a very sensitive venue”. While the prime minister's comments fell short of an apology the Defence Minister Benny Gantz offered a public apology.

While the family and protestors remain un-optimistic about the justice being delivered insights shared by an Israeli Parliament member Ahmed Tibi, seem to shed some light on why Hallaq was killed. According to Tibi, Arabs and Palestinians were intentionally killed without any concrete reason, and for long this has been the policy of the Israeli forces. B’Tselem, a human rights organisation based in Israel said that most killings of Palestinians “were a direct outcome of Israel’s reckless open-fire policy, authorised by the government and military and backed by the [Israeli] legal system.”

The whole system in Israel seems to be designed to discriminate against its Arab minorities. Various senior political officials have openly spread hate against these minority communities. They have also encouraged their soldiers and police forces to kill Palestinians even if they have the slightest suspicion of them being a threat. It is a systematically built system that has subjected Palestinians to abuse and harsh punishments immemorial.

More than 150 instances were recorded between the span of October 2015 and January 2017 in which Israeli security forces have shot Palestinians under suspicion of carrying weapons. However, video footages or witness accounts have raised questions in many cases regarding the necessity of force. Repeatedly cornering these minorities have led to the death of 33 Israelis in the hands of Palestinian assailants in the same period. Hence this use of lethal force has had devastating effects on both the communities. Regulation of force by armed personnel and unbiased, neutral approach is required to curb down this violence. The authorities must also create rules that clearly define the boundaries for force used by armed personnel, and the state should actively denounce hate speech and illegal lethal force to avoid cases like that of Hallaq repeating.

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