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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

Anxiety about losing a loved one to death culminates in runner-up prize at Sasol New Signatures Art Competition
2014-09-15

 

Adelheid Camilla von Maltitz
Photo: Supplied

Adelheid Camilla von Maltitz – a lecturer at our Department of Fine Arts – has been awarded the runner-up prize at the Sasol New Signatures Art Competition. Her sculptural piece, ‘Bodies’, explores the process of mourning and loss and the grey areas between life and death.

The Sasol New Signatures Art Competition is recognised as the country’s longest running art competition. The competition has kick-started the careers of some of South Africa's most prominent artists. Last year, the competition was won by another Kovsie, Dot Vermeulen.

“Personally, I experienced an intense and consistent sense of anxiety towards death, specifically an anxiety towards losing a loved one due to a road accident. This led me to wonder how an individual copes with substantial loss. During my practical research it became obvious that there are many contrasts existing in the mourning process, contrasts related to anxiety and peace,” said Von Maltitz.

The piece encourages contemplation on three levels.

At the first level, two boxes lie on the floor covered in heaped earth and ash which suggests a buried body: closed, powerless and dark. Here, Von Maltitz invites the viewer to use this space to contemplate the process of mourning and loss.

The second level offers fragmented apparitions displayed in the light boxes, commenting on the ‘grey area’ between life and death.

At the third and final level, the viewer stands between the light boxes: open, alive and powerful.

Von Maltitz is currently reading for her PhD in Fine Arts at Kovsies. Commenting on her research, Von Maltitz said that she is “also interested in comparing the use of repetitive actions – such as revisiting a grave, which seem present in the mourning process – to the use of repetition in sculptural installation.” She is also interested in the relationship between these repetitions and anxiety and relieving anxiety, either permanently or temporarily.


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