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10 June 2024 | Story Precious Shamase | Photo Supplied
Prof Richard Ocaya
Prof Richard Ocaya, Associate Professor from the Physics Department.

Prof Richard Ocaya from the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS) Qwaqwa  Campus has achieved a significant milestone with a newly patented invention. This patent, developed in collaboration with researchers from Turkey and Saudi Arabia, is the result of work that began in 2017, focusing on a special material known as graphitic carbon nitride.

This breakthrough in temperature measurement technology aligns perfectly with the university's Vision 130 commitment to innovation and addressing global challenges. The new device offers a unique solution to a longstanding issue in the field, providing accurate temperature measurements across an extremely wide range. Existing solutions often require multiple devices, leading to increased costs and reduced accuracy, but this invention simplifies the process.

The device, based on a combination of graphitic carbon nitride and silicon, can measure temperatures from -250°C to 250°C with exceptional consistency and linearity. This range and accuracy set it apart from current technologies, making it suitable for various applications, from standard temperature measurement to specialized settings involving extreme temperatures. It could be especially valuable in deep-space exploration, where equipment faces drastic temperature fluctuations.

The patent underscores the university's commitment to fostering collaborative research, a key aspect of Vision 130. Prof Ocaya attributes the success of the invention to the robust nature of the team, established in 2015. The team is now seeking to commercialize the technology by licensing it to a suitable partner, with organizations like NASA expected to show significant interest.

Prof Ocaya advises other academics considering patenting their inventions to ensure the patent solves a real problem uniquely and is based on sound principles. This makes the invention reproducible and protects it from being copied, assigning exclusive rights to the patent holder. Patenting allows for either manufacturing the devices or licensing them to third parties for royalties and profit. He notes that the main consideration is that the innovation must be practical and solve a specific problem in a novel and commercially viable way. He also acknowledges the challenge many academics face, as the "publish or perish" mentality often leads to choosing scientific articles over patents.

Despite securing the patent, Prof Ocaya and his team continue their research efforts, exploring new possibilities while balancing practical research with academic pursuits. He believes the invention will significantly impact the field of temperature measurement, being integrated into many new designs requiring such measurements.

The university proudly supports this innovative research and anticipates its real-world impact, furthering Vision 130's commitment to increasing UFS's research capacity and capability.

News Archive

Lecture focuses on how Marikana widows embody the transformative power of art
2015-08-11

Makopane Thelejane

"When I got the news of my husband is dead, I put my hands above my head, as you see me in this picture. I could not bear the ache in my heart." - Makopane Thelejane

A woman looks down on a canvas covered in thick layers of red, dark shadows falling across her face. A brief moment that captures the silently-devastating aftermath of the Marikana massacre that bled into the lives of 34 widows.

It is this silent trauma that was at the centre of the last instalment of the Vice-Chancellor’s Lecture Series for 2015. “These stories of the Marikana widows are important. It is these stories of silence that live behind the spectacular scenes of the violence,” Prof Pumla Gobodo-Madikizela, Senior Research Professor in Trauma, Forgiveness, and Reconciliation Studies at the University of the Free State (UFS) said at the event.

Panel
The lecture, which took place on Monday 27 July 2015 on the Bloemfontein Campus, took the form of a panel discussing the theme of “Speaking wounds: voices of Marikana widows through art and narrative”. The panel consisted of members from the Khulumani Support Group, including Dr Marjorie Jobson (National Director) and Judy Seidman (Sociologist and Graphic Artist), as well as Nomfundo Walaza, former CEO of the Desmond Tutu Peace Centre.

Betty Lomasontlo Gadlela

"Then this dark time came, a dark cloud over me. It made me to have an aching heart, which took me to hospital, from losing my loved one, my husband, in such a terrible manner. " - Betty Lomasontlo Gadlela

Trauma made visible
In a project initiated by Khulumani, the Marikana widows were encouraged to share their trauma through painting body maps – in which the widows depicted their own bodies immersed in their trauma – and narrating their personal stories. Throughout the workshops, the focus always remained on the women. As Siedman put it, “the power of this process is rooted in the participants. The statements of what the participants experienced is what’s important.”

Initially silenced and isolated, this group of women has now moved “into a space where they have become connected to each, and stand up for each other in the most powerful ways,” Dr Jobson said. “Our work is conceptualised in terms of giving visibility and voice to the people who know what it takes to change this country; to change this struggle.”

The transformative power of art and narrative
During her response, Walaza pointed out “how art and narrative can transform traumatic memory and become integrated in the survivors’ life story.” This gives individuals the opportunity, she said, “to step into a space of mutual listening and dialoguing in which people bond together.”

Co-hosted by Prof Gobodo-Madikizela and the UFS Institute for Reconciliation and Social Justice, the lecture series forms part of a five-year research project funded by the Andrew W. Mellon Foundation.

 

 

 

 

 

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