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21 May 2018 Photo Naledi Posholi
Could wave power be an answer to SAs electricity crisis
Attending a recent guest lecture, were from the left: Prof Marian Tredoux UFS Department of Geology, Prof Stoffel Fourie fromWalter Sisulu University, and Thoriso Lekoetje a third-year UFS Geology student.

South Africa has a 2800-km long coastline with high wave energy potential that can generate electricity. Presenting a lecture at the UFS Department of Geology, Prof Stoffel Fourie discussed wave power as a possible solution to the country’s electricity needs. Prof Fourie is a geophysicist and the chairperson of research and development in the faculty of engineering at Walter Sisulu University.

Power at any time
Wave power is a renewable and sustainable resource. “It can provide continuous base load power because wave energy systems do not suffer from ‘time of day’ issues as other renewable energy options. This means that it can generate power at any time of the day,” said Prof Fourie. 
Discussed also was the wave power advantages and disadvantages. 

Wave energy advantages
• Wave energy is a reliable renewable energy resource;

• Reduces dependency on fossil fuels;

• Wave energy is predictable and consistent;

• Generates little or no pollution to the environment compared to other energy resources; and

• Presents no barriers or difficulty to migrating fish and aquatic animals.

Wave energy disadvantages
• Wave energy conversion devices are location dependent, thus limiting possible sites where they can be implemented;

• Offshore wave energy devices can be a threat to shipping as they are too small to detect by radar; and

• High capital investment required for start-up costs, construction and maintenance.

“Looking at both advantages and disadvantages, there is no doubt that South Africa can use this method to harvest energy. With the right investment and political buy-in, wave power could provide a continuous supply of energy and contribute to all South Africa’s electricity needs,” Prof Fourie said.

News Archive

UFS plays leading role in implementing curriculum for deaf learners
2013-08-15

 

Minister Angie Motshekga (front left) joined by members of the South African Sign Language task team. Behind Minister Motshekga’s shoulder is Dr Philemon Akach.
15 August 2013

South African Sign Language (SASL) will soon be offered as a school subject to Grade 0–12 learners in all 42 schools for the deaf in South Africa. Our Department of South African Sign Language had a role to play in this significant development that will empower deaf learners in South Africa and the continent.

Dr Philemon Akach, Head of the Department of South African Sign Language at the UFS, is part of the nine-member task team that recently handed over the SASL curriculum to the Minister of Basic Education, Angie Motshekga. The curriculum will be offered as a home language in all schools from 2014 and Grade 12 learners will be able to write it as a final-year examination subject.

Dr Akach – a member of the task team since 2009 – helped to coordinate the development of the curriculum.

The implementation of the curriculum means a lot to the Department of South African Sign Language, Dr Akach says. “We have championed the linguistic needs of the deaf community ever since we became the first university to offer SASL as an academic course, not only in South Africa, but also on the continent.”

Dr Akach says most Education students are already taking SASL as subject in his department, equipping them as prospective teachers to make implementation of the curriculum a smooth one. “Given our expertise, we will train teachers in the field and be involved in the setting and moderation of exam papers. The University of the Free State is no doubt a leader in this field.”

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