Sunday, June 21, 2020

Black Lives Matter: Solidarity protests in Western Europe

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Nishitha Mandava

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Black Lives Matter: Solidarity protests in Western Europe

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Global Views 360

Publication Date

June 21, 2020

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“Black Life Matters” Protest at Southampton, UK

“Black Life Matters” Protest at Southampton, UK | Source: Thomas Allsop via Unsplash

The killing of the African-American George Floyd in the hands of Minneapolis police commanded world attention. It witnessed Pan-American protests against police brutality and racism. Countries across the world have stood in support of these protests against racial violence. These protests in America have triggered a number of protests across Western Europe to localise them and condemn racism in their own countries.

Protests against racial violence and police brutality drew large numbers across European capitals and other prominent cities as well. Paris protests alone saw an estimated 20000 people near the Eiffel Tower who protested against the death of George Floyd. These protesters tried to localise the issue of racial violence and police brutality by taking up the case of Traoré, a young black man whose family claims that he died due to suffocation under police custody at Persan (north of Paris) in 2016. These protests have been going on consistently for over a week. Despite the police ban on demonstrations in Paris due to the risk of COVID-19, the demonstrations couldn’t be curbed. Parallel protests were also reported in other cities of France like Lyon, Rennes and Marseille.

Berlin also has been sustaining its ‘Black Lives Matter’ protests for over a week. Demonstrations were held in other German cities such as Cologne, Frankfurt and Dusseldorf. The Bayern Munich footballers wore T-shirts with slogans that read ‘Red card against racism- Black Lives Matter’ in their match against Leverkusen to raise awareness against racial violence. Various German activists believe Floyd’s death has not only triggered anti-racist protests but also multiple questions regarding equitable distribution of resources and representation of diverse races that co-habit in Germany.

In the United Kingdom, too, despite the COVID-19 risk, a large number of protestors stood in solidarity with the U.S protests. In Bristol, demonstrators pulled down the statue of slave trader Edward Colston on 7 June, 2020. Even though these protests were against racial violence, the chords of the protests mainly struck with issues of blacks during COVID-19. British government data showed that blacks living in British were four times more likely to die from COVID-19 as compared to whites. This discrimination by the virus can be attributed to the institutionalised nature of racism and the lack of equitable access to resources for minorities living in Britain.

Protests were held widely in Spain. The U.S embassy outside Madrid has become one of the hotspots for protestors to gather. Hundreds gathered to mourn the death of Floyd and observed silence for him. The city of Budapest too observed silence and chanted songs outside its U.S embassy.

European media has also played a key role in actively condemning Trump for his actions of using military force to tackle the protests. While the French Newspaper Le Monde in its editorials has dubbed Trump as ‘President of division’ the Spanish newspaper El Pais’s headlines read ‘The U.S. Faces Its Worst Racial Conflict in Half a Century’. Trump’s actions to use federal force and active duty military personnel have made the European media to cover the protests more extensively. Newspapers coupled with social media have acted as catalysts in spreading the cause of the protests at a much faster rate.

Floyd’s killing sparked protests against racial violence and systematic racism around the world. However, it resonated at a deeper level with Western European countries primarily due to their rising number of immigrants from African and Arab countries. These countries, for decades, have struggled with accommodating these minorities equally with the mainstream population. The approach to localise these protests has helped to not only denounce racial violence in America but also in their own home country. The nature and extent of these protests have pointed out that governments no longer have the luxury of gradualism and have to instead take up swift actions to eliminate institutionalised racism and police brutality.

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July 19, 2021 11:59 AM

3D Printing: The direction to go for the Indian Defense and Aerospace Industries

3D printing is the next big game-changer on the technological front, almost a revolution if you will. 3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by layering two-dimensional cross sections on top of one another. The two-dimensional cross sections are computer-designed and rendered, which makes it all the more advanced. From Aerospace to Defense and Medical to Automotive, products manufactured via 3D printing are spreading their reach in the markets quite swiftly. This article will take a look at how 3D printing is beneficial and how the technology can transform the Indian and Defense and Aerospace sectors once utilized to its full potential.

Additive manufacturing has the power to unlock a wide range of opportunities. It uses a 3D printer to create a layer-by-layer “addition” of material which is digitally constructed. Different types of materials which are currently being used for the same are metals, ceramics, special plastics, synthetic resins, and etc. 3D printing not only reduces the cost of production of various components but also gives the power to manufacture locally with design flexibility. The technology significantly speeds the process of designing; this is mainly because there is no requirement of tools. Traditional manufacturing usually takes months to either acquire necessary tools and further produce parts and components or import components from various places. However, once 3D printers are acquired, which they might be costly in themselves, they would ensure a smoother production process. Hence, due to the combination of localized manufacturing and no tools, tailor-made designs can be produced to match the necessities of various industries.  

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Figure 2: A typical 3D printer. Source: Bre Pettis via Flickr

India is gradually growing with respect to its utilization of 3D printing technology. In 2014, the 3D printers market was at an early stage with just 200-500 combined workforce of engineers, designers and sales representatives. Currently, start-ups are springing up in places like Bangalore, Chennai, Mumbai, Visakhapatnam, etc and they are producing essential parts for sectors like the Indian Navy, Air Force, ISRO and the HAL.  India’s 3D printing market is projected to reach $79 million by the end of 2021, while the global market is at around $15.8 billion, which suggests that India has a lot of catching up to do.

Applications in the Aerospace and Defense Industry

The Aerospace and Defense Industries are keen to pursue additive manufacturing, mainly because of benefits such as weight reduction, cost cutting and to meet their highly specific requirements. The additive process uses less material to manufacture components and also ensures minimal waste of material. Overall reduced weightage means that less fuel would be used in aircrafts and hence result in better environmental compatibility. Let’s examine a few instances in India where 3D printing startups have assisted and provided the defense and aerospace sectors with unique solutions.

Recently, in 2020, the Centre-run defense company Hindustan Aeronautics Limited (HAL) had signed a MoU (Memorandum of Understanding) with Wipro 3D, the metal additive manufacturing branch of Wipro Infrastructure Engineering. The initiative would primarily focus on the design, development, testing, manufacturing, and repairing of aerospace components using metal additive technology. HAL is using 3D printing to manufacture engine components, although it also provides support to helicopter and rotary wing products. HAL also provides products to the Indian Army, Air Force, Navy, and Coast Guard. Speaking about this collaboration, Shekhar Shrivastava, CEO of the Bangalore division of HAL, said, “This initiative between HAL and Wipro 3D will create a unique synergy of capabilities that can accelerate the adoption of metal additive manufacturing in aerospace in India. Qualification of parts for aerospace is challenging as it would require prove out and extensive testing followed by certification by regulatory authorities which may also include flight testing."

Down south, Karnataka, which produces more than 65 percent of India’s aerospace-related components and exports, has taken a number of initiatives to promote additive manufacturing by setting up 3D printing clusters and sponsoring 3D printing startups. For example, through its flagship programme ‘Start Up Karnataka’, the State has given grants to ‘Deltasys E-Forming’, a Belgaum based start-up, to develop hybrid composite 3D printers. These initiatives are quite appropriate since two-thirds of India’s aircraft and helicopter manufacturing for the defense takes place in Karnataka, and 3D printing would revolutionize these processes quite rapidly.

On the other coast, Chennai-based 3D printing startup, Fabheads Automation, was established in 2015 by an ISRO engineer turned entrepreneur Dhinesh Kanagaraj. The deep tech startup designs and develops high-end carbon fibre helicopter blades for the Indian Air Force. Traditionally, carbon fibre parts are fabricated by laborious manual processes with a lot of fabrication time and money spent. Dhinesh also observed a lot of material wastage when he worked on carbon fibres at ISRO.  Based on this, Fabheads has designed an automated 3D printer series to eliminate material waste and also improve efficiency of production of carbon fibre. Sectors like the DRDO are currently approaching the company given these innovative methods of production.

3D Printing Saves the Day for the Indian Navy

Further, the Indian Navy has partnered with ‘think3D’, a Hyderabad-based 3D printing start-up, to produce spare components via additive manufacturing for both on and off-shore set-ups. The Indian Navy uses a lot of machinery on its ships which are imported from other countries and are quite old.  Whenever a component gets damaged, it is hard to replace it either because there is no availability of the part or because there is significant delay before a part is received. This often proved to be costly for the Navy since the machines would have to be kept idle before a spare part was replaced along with the fact that procurement of the parts was no less expensive.

This is where think3D had stepped in and supplied 3D printed parts to the Indian Navy, which were successfully tested and incorporated into its machinery. An example of such a 3D printed part, which proved to be of crucial help, is that of a centrifugal pump impeller- a key component for a ship’s operation.

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Figure 3: An original impeller (left) vs. a 3D printed impeller (right). Image source: think3D

The impeller is a rotating component and it is very important for a ship as it transfers energy from the motor to a fluid that needs to be pumped by accelerating the fluid outwards from the centre of rotation.  On ships, this component is used to import seawater into various parts of the ship for regular use of the crew. These impellers are required to rotate at high speeds for long durations and need to be very carefully designed. 3D printing was the best solution to replace these parts, given the speed of production and lower expenses.

Given all the benefits of 3D printing, it is high time for the Indian market to expand its 3D printing industry and utilize it to its full potential. There are many other instances like the one of the impeller in the Aerospace and Defense industries which can easily be solved using 3D printing.

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