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15 June 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
from the left: Dieter Schwab and Alex Reither from Sky-Skan, and Prof Matie Hoffman, Barry Crous (Instrumentation), and Pat van Heerden (Department of Physics) from the UFS
During the installation of the new computer and projector equipment at the Naval Hill Planetarium, were from the left: Dieter Schwab and Alex Reither from Sky-Skan, and Prof Matie Hoffman, Barry Crous (Instrumentation), and Pat van Heerden (Department of Physics) from the UFS.

The Naval Hill Planetarium at the Centre for Earth and Space on Naval Hill was inaugurated on 1 November 2013. It was the first digital planetarium in Africa south of the Sahara. 

The Department of Physics at the University of the Free State (UFS) is responsible for the Naval Hill Planetarium (formerly the Lamont-Hussey Observatory). The department uses the planetarium to educate and inform citizens about the natural sciences. The planetarium, together with the Boyden Observatory, is also important for the display and communication of South Africa’s astronomical heritage.

The planetarium system was recently upgraded in a project that cost R6 million. According to Prof Matie Hoffman from the Department of Physics, it was time to upgrade the computers and graphic cards, and to replace the lamp projectors with laser projectors.

Funding for the state-of-the-art equipment came from the Faculty of Natural and Agricultural Sciences and the Information and Communication Technology Services (ICT Services) at the university. Businesses in Bloemfontein – First Technology and Raubex Construction – also contributed to the project. 

Presenting programmes more often

Planetarium specialists Dieter Schwab and Alex Reither from Sky-Skan Europe, based in Germany, installed the new equipment over a period of two weeks.

Prof Hoffman says the new equipment will enhance the experience of people visiting the planetarium for a close encounter with the wonders of the universe to deepen their appreciation of science and astronomy.

“Besides a clearer image with better colour, the new projectors will also be more economical to operate. This means we will be able to offer programmes at the planetarium more often,” he says. 

The upgrades also include new software. Prof Hoffman explains that the software will enable more sophisticated presentations and open the door to the use of the planetarium for higher level visualisation of scientific data where any large data sets with many variables are involved, such as climate science, astrophysics, and cosmology. 

Offering an incredible experience

After completion of the installation, a period of two weeks will be spent on training to master the use of the new equipment and the software. The public can expect the first show with the new equipment at the end of June. 

“I am most looking forward to the planetarium creating an incredible experience – better than in the past – for the public and increasing everyone's admiration and understanding of the universe. I also believe the planetarium is an excellent facility to improve students' skills in science communication, and it provides these students the opportunity to share their knowledge with the public,” concludes Prof Hoffman. 

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Guidelines for diminishing the possible impact of power interruptions on academic activities at the UFS
2008-01-31

The Executive Management of the UFS resolved to attempt to manage the possible impact of power interruptions on teaching and learning proactively. Our greatest challenge is to adapt to what we cannot control at present and, as far as possible, refrain from compromising the quality of teaching and learning at the UFS.

First the following realities are important:

  • There is no clarity regarding the period of disruption. It is possible that it may last for a few months to approximately five years.
  • At present Eskom (as well as Centlec) is not giving any guarantees that the scheduled interruptions will be adhered to. It comes down to this that the power supply may be interrupted without notice, but can also be switched back on in an unpredictable manner.
  • Certain scheduled teaching-learning activities/classes, etc. may (initially) be affected very negatively, as the UFS is working according to a scheduled weekly module timetable at present.
  • During the day certain venues with natural lighting and ventilation may remain suitable for contact sessions, while towards evening venues will no longer be suitable for the presentation of classes.
  • Lecturers will have to fall back on tried and tested presentation methods not linked to electricity, without neglecting innovative technology-linked presentation methods, or will have to schedule alternative teaching-learning activities for lost teaching-learning time.

Against the background of the above-mentioned realities, we secondly request you to comply with the following guidelines as far as possible:

  1.  In addition to your module work programme, develop an alternative programme (which can, for example, among others, consist of additional lectures or a more rapid work rate) in which provision is made for a loss of at least two weeks’ class/contact time during the semester. Consult Centlec’s schedule of foreseen power interruptions for this planning.
  2. Should it appear that your class(es) will probably be disrupted seriously by the scheduled power interruptions, you should contact your dean for possible rescheduling of your timeslot and a supplementary timetable. A prescheduled supplementary timetable for Friday afternoons and Saturdays and/or other suitable times will be compiled for this purpose in co-operation with faculties.
  3. The principle of equivalent educational treatment of day and evening lectures must be maintained at all times. Great sensitivity must be shown by, for instance, not only rescheduling the lectures of evening students - given specifically the sensitivity regarding language and the distribution of day and evening lectures.
  4. In the case of full-time undergraduate courses, no lectures should be cancelled beforehand, even when a power interruption is announced, as power interruptions sometimes do not take place or are of shorter duration than announced. If the power supply is interrupted, it should not be accepted that it will remain off and that subsequent lectures will not take place. Should a power interruption occur in a venue, lecturers and students must wait for at least ten minutes before the lecture is cancelled. Should natural lighting and ventilation make it possible to continue with the lecture, it should be done.
  5. Our point of departure is that no student must be able to use the power interruptions and non-presentation/cancellation of lectures as an argument for having failed modules, for poor academic performance or to negotiate for a change of examination scheduling.

Thirdly we wish to make suggestions regarding teaching and learning strategies (which can be especially useful in case of a power interruption).

  • Emphasise a greater measure of self-activity (self-initiative) on the part of students in this unpredictable environment right from the start.
  • Also emphasise the completion of assessment assignments in good time, so that students cannot use power interruptions as an excuse for late submission. Flexibility will, however, have to be maintained.
  • Place your PowerPoint presentations and any other supplementary learning materials on the web.
  • Use the opportunity to stimulate buzz groups, group work, panel discussions and peer evaluation.

Please also feel free to consult Dr Saretha Brussow, Head: Teaching, Learning and Assessment Division at the Centre for Higher Education Studies and Development, about alternative teaching, learning and assessment strategies. Phone extension x2448 or send an email to sbrussow.rd@ufs.ac.za .

Thank you for your friendly co-operation!

Prof. D. Hay
 

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