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22 September 2021
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Story Michelle Nöthling
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Photo Supplied
Annemarie Le Roux.
“I love working with children.” This is one of the first things Annemarie le Roux mentions when asked to describe herself. This love for children propelled Annemarie into the field of education and she graduated in 2006 with a BEd in Foundation Phase at the UFS. Annemarie immediately immersed herself in the Deaf community, enriching the lives of children at the Thiboloha School for the Deaf in Qwaqwa and the De la Bat School for the Deaf in Worcester.
The academic world enticed Annemarie back to the University of the Free State (UFS) and she was appointed as a junior lecturer in the Department of South African Sign Language (SASL) and Deaf Studies in 2013. Going from strength to strength, Annemarie completed her master’s degree in SASL in 2019, and published an
article earlier this year that she co-wrote with Marga Stander. In this article, they found that SASL “has become an increasingly popular language that hearing university students want to learn as a second language” and subsequently explored different teaching methods used for this emerging group of interested students.
Although now firmly established in academia, Annemarie is still committed to the practical application of SASL. “I am closely involved in student and community engagement through the
SIGNALS Sign Language student association that helps empower the Deaf community and South African Sign Language.” She also interprets for the Deaf community whenever she gets an opportunity, as well as for Deaf students in class and meetings.
On the importance of Sign Language and the recognition of the Deaf community in South Africa, Annemarie believes it will open greater opportunities for development. “More people will be able to learn SASL, and it might even become a subject in school for hearing children.”
UFS Physics Research Chair receives more funding
2017-11-20
Prof Hendrik Swart, Senior Researcher Professor in the
Department of Physics at UFS.
Photo: Charl Devenish
A research project into low-energy lighting using phosphor materials for light emitting diodes (LEDs) at the Department of Physics at the University of the Free State (UFS) has received further recognition.
The South African Research Chairs Initiative (SARChi) has awarded further funding for the Research Chair in Solid State Luminescent and Advanced Materials situated in the department. Prof Hendrik Swart, a Senior Research Professor in the Department of Physics, says this means that the Chair will carry on receiving funds from SARChi for another five years. The Initiative also awarded Prof Swart in 2012 for the research, which resulted in funding for equipment and among others, bursaries.
Better light emission in LED’s
The research focuses on better light emission of phosphor powers in LEDs. It is also looking into improving LED displays in flat screens. The research into solar cells has shown that phosphors can also increase their efficiency by increasing the range of light frequencies, which convert into electricity. It also entails that glow-in-the-dark coatings absorb light during the day and emit it at night.
Prof Swart says over the next five years the research will focus on developing and producing devices that emit better light using the substances already developed. “We need to make small devices to see if they are better than those we already have.” In practical terms, it means they want a farmer’s water pump that works with solar energy to work better with less energy input.”
Device that simulates sunlight
Prof Swart says the renewal of the Chair’s funding means the department can now get equipment to enhance its research such as a solar simulator. The solar simulator uses white LEDs whose intensity output and wavelengths can be tuned. The output is measured in number of suns. It enables researchers to work in a laboratory with a device that simulates sunlight.
According to Prof Swart the long-term benefit of the research will result in more environmentally friendly devices which use less energy, are brighter and give a wider viewing field.
About 10 postdoctoral researchers are working on the studies done by the Chair in collaboration with the Council for Scientific and Industrial Research.
The Research Chair Initiative aims to improve the research capacity at public universities to produce high-quality postgraduate students, research and innovative outputs. The criterion for evaluating the department’s Chair includes aspects such as how much development has occurred over the past five years. The assessors look at features such as the number of students the research entity has trained and how many publications the research team has produced.