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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

Professor Antjie Krog to deliver public lecture at UFS Bloemfontein Campus
2015-06-19

Professor Antjie Krog – illustrious author, poet, and academic – will deliver a public lecture at the University of the Free State’s (UFS) Bloemfontein Campus. The topic of her discussion will be ‘They Couldn’t Achieve their Goal with Me: Narrating Rape during the South African War’.

Prof Krog’s lecture will be the third instalment of the Vice-Chancellor’s Lecture Series on Trauma, Memory and Representations of the Past. The lecture series is hosted by Prof Pumla Gobodo-Madikizela, Senior Research Professor in Trauma, Forgiveness, and Reconciliation Studies at the UFS, as part of a five-year research project funded by the Andrew W. Mellon Foundation.

Details of the event:

Date: Tuesday 23 June 2015
Time: 12:00
Venue: Albert Wessels Auditorium, UFS Bloemfontein Campus
Members of the public are welcome to attend
RSVP to Jo-Anne Naidoo: NaidooJA@ufs.ac.za

Acts of rape during South African War

To set the context of her lecture, Prof Krog explains that, about two months before the South African War officially ended on 31 May 1902, affidavits were taken from women about transgressions experienced at the hands of British soldiers. These acts included plunder, killing of stock, abduction, sexual assault, and rape. Her lecture is the first scholarly focus in terms of narrative and agency on the affidavits of 24 incidents of sexual assaults and rape since the 25-year embargo on these documents was lifted in 1982. The shelving of these affidavits is indicative of how even transcultural multiple processes failed to create an honest discourse in post-colonial South Africa about sexual violence.

Paving the way to healing historical wounds

The series focuses on the portrayal of trauma and memory in multiple ways – such as the narrative arts represented by Prof Krog. These forms of expression may ultimately pave the way to healing historical wounds.

“This topic is very timely, given a recent NRF grant we’ve been awarded for research on transgenerational trauma related to the South African war,” Prof Gobodo-Madikizela says in anticipation of the lecture.

Previous instalments of Vice-Chancellor’s Lecture Series

The first instalment of the Vice-Chancellor’s Lecture Series on Trauma, Memory and Representations of the Past was delivered by former Constitutional Court Judge, Albie Sachs, in which he discussed ‘Sites of memory, sites of conscience’. Internationally acclaimed composer and sound artist, Philip Miller, delivered the second lecture, ‘Disrupting the Silence: The Past and Transnational Memory’.


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