Saturday, August 1, 2020

Student creates a robotic guide dog for visually impaired

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Charvi Trivedi

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Student creates a robotic guide dog for visually impaired

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Global Views 360

Publication Date

August 1, 2020

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The prototype of handheld robotic guide dog

The prototype of handheld robotic guide dog | Source: Anthony Camu via Loughborough University

Anthony Camu, a final year Industrial Design and Technology student at Loughborough University is making headlines with his latest creation of a handheld robotic guide dog. This will be a great help to those people with visual impairment who might find it difficult to accommodate an actual guide dog in their homes.

The robot is named after the Titan goddess of light, ‘Theia’ and is shaped like a virtual gaming controller, which enthused Anthony to create this masterpiece in the first place. Theia listens to the user’s voice to lead them to their desired locations.

If the user has to go to some address (for eg. House number 4, 56th Street, Greenville Residency), they have to say ‘Hey Theia take me to House number 4, 56th Street, Greenville Residency*’. It will then process the actual data available online, like traffic density, and program the most secure route for the user to follow, quite similar to how GPS or satellite navigation works in our cars.

All the information is then communicated to the user via a machine built inside it, called a control moment gyroscope which uses the mechanism of ‘forced feedback’. These are used in spacecraft and their main function is to help in orientation purposes of the spacecraft, or in controlling the ‘spacecraft attitude’ using electric power.

This tiny built-in gyroscope physically moves the user’s hand in the direction they are supposed to go, thus giving them a feeling of being led by an actual guide dog. “The main intention was never to replace guide dogs, but instead to provide an alternative means of giving enhanced mobility options to visually impaired people” says Anthony Camu.

According to Mr. Camu, Theia will also be helpful in confronting challenging interactions like elevators or shops. While crossing a busy street, it will tend to ‘push back’ the users, cautioning them to be more sentient about their current surroundings. Moreover, Theia is quite pocket-friendly, costing about one-tenth the price of a real guide dog.

This tool will also contribute in imparting a sense of belonging and reduce the constant mental hassle and anxiety faced by the visually impaired population of the world. Since they are unable to assess their surroundings, it limits their outdoor movement. This will help them move in the outdoors more often and reduce stress while navigating the traffic on the road.

Anthony has created and experimented with many prototypes of Theia and some work is still needed to correct a few issues before the final launch his product in the market

However, he concluded that Theia has a promising future and it requires just a little more testing and research.“I know this is a grand vision, but I hope people can see the positive effects Theia could have on the blind community” he states.

*This address is fictional. Any similarity is purely coincidental.

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February 4, 2021 4:49 PM

The case of Huawei: How that impacts Canada-China relations

In December 2018, Meng Wanzhou, the Chief Financial Officer for Huawei, a China-based tech company which is dominating the telecom supplies, was arrested in Vancouver, Canada on her flight stop to Mexico. This was done on a request from the USA with whom Canada has an extradition treaty. She was sought by the USA for allegedly dealing with Iran using an American banking system in spite of the sanctions placed on Iran by the country, in 2013. In May, Wanzhou lost the legal challenge to the extradition process, meaning that they will go ahead with the extradition proceedings.

Within days of Wanzhou’s arrest, two Canadian citizens in China were arrested on alleged accounts of spying. This is seen as a retaliation for the Wangzhou arrest by the Canadian Prime Minister Justin Trudeau, who says that there is a direct link between Wanzhou’s arrest and those of Michael Spavor and Michael Kovrig,  the Canadians who are detained in China. Though China has been tight-lipped about the link between the two, these two incidents are often raised jointly by the Chinese spokesperson. David Mulroney, former ambassador for Canada to China, has said that the officials in Beijing are mirroring the ongoing extradition case to that of the detained Canadians.

Although Mr. Trudeau has in the past repeatedly emphasized the need for good relations with China, and has enthusiastically worked on them to the point of agreeing to discuss a Canada-China extradition treaty. But the China-Canada relations already started souring much before the arrest after a trade deal fell through in 2017. Many major carriers in the country, some of which have been outspoken in their support of Huawei, have decided to shun the company and opt for western alternatives instead. One of them, Bell Mobility, even announced that it will use equipment from its Finnish rival, Nokia.

Huawei is considered a symbol for China’s technological prowess, and the arrest is seen by the Chinese Communist Party as an attack on its symbol of technological achievement. The Chinese state-owned newspaper the Global Times calls the act a “political persecution launched by the US, with the intention to contain China’s high-tech development.” The China Daily also criticized the court ruling as unfair and potentially harmful in mending the Canada-China relations.

There has also been a backlash from legal experts and family members of the detained Canadians on the Canadian policy of letting the extradition charges proceed and not going with a prisoner swap. Mr. Mulroney, however, feels that it would legitimize “hostage diplomacy”, which would put at risk all traveling Canadians for arbitrary arrests to gain political leverage. There is a stark difference between the condition of the hostages and that of Meng Wanzhou, for while the two prisoners spend their days in small cells in isolation, interrupted by interrogation and bland meals, Wanzhou lives in her Vancouver mansion, being happy about the fact that she can spend more time reading and oil painting, now.

The Canadian government is also claiming that it has to let the extradition process go on without political interference as to not compromise the independent, legal decision of surrendering the Huawei CFO. Mr. Mulroney has said that “it wouldn’t be the right thing to do. It would compromise the integrity of both our democracy and our justice system,” and that their values need to count for something. Brian Greenspan, a Toronto lawyer with experience on extradition cases, has said that the government has the power to withdraw from the extradition case, and that the lessons from a previous case in which political pressure affected an international case, are being applied wrongly here.

There are many sides to this tension, complicated by previous feuds, economic decisions, the detentions of the Canadians and Wanzhou and the difference between the political and the legal, and the many opinions on whether it should be that way.

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