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31 January 2024 | Story EDZANI NEPHALELA | Photo ANJA AUCAMP
Dr Martin Laubscher
Dr Martin Laubscher’s thesis, crowned with the Andrew Murray-Desmond Tutu Prize, is testament to the university’s unwavering commitment to scholarly excellence.

In a historic triumph that reverberates over four decades since its inception, the UFS has clinched the coveted Andrew Murray Prize – now renamed the Andrew Murray-Desmond Tutu Prize – for the first time. Standing shoulder to shoulder with institutions such as the University of Pretoria (UP) and Stellenbosch University (SU), this achievement marks a significant milestone in the UFS’ journey.

At the heart of this accomplishment lies the profound contribution of Dr Martin Laubscher, distinguished Senior Lecturer specialising in Practical and Missional Theology in the Faculty of Theology and Religion. Dr Laubscher’s dedication and scholarly prowess culminated in the groundbreaking work titled Publieke teologie as profetiese teologie? (Public theology as prophetic theology), a revised edition of his doctoral thesis, which was originally crafted at Stellenbosch University in 2020, with a focus on the eminent Karl Barth.

Dr Laubscher received the Andrew Murray Prize for Theological Books in Afrikaans for his research and insightful analysis. The journey started when he realised, under the guidance of his study leader, Prof Dion Forster, that his script had the potential to be published in Afrikaans. Sun Media’s interest in publishing this work in Afrikaans, led to it being the first-ever published thesis in Afrikaans. Dr Laubscher recalls, “I was grateful and excited about Sun Media’s interest. The book emerged within a year, and during a celebratory launch Prof Forster suggested I submit it for the Andrew Murray Prize.”

Earlier this year, Dr Laubscher was excited to learn that he was being shortlisted for the prestigious award. Reflecting on the significant moment, he shares, “The elation I felt upon receiving the news was unparalleled. I was not only celebrating a personal triumph, but also etching my name as the first laureate from our faculty to secure this prestigious accolade.”

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Discovery in Scorpius constellation may signify clean energy for Earth
2017-01-23

 Description: Discovery in Scorpius constellation may signify clean energy for Earth Tags: Discovery in Scorpius constellation may signify clean energy for Earth

Earlier this year, a group of international astronomers
announced the discovery of an exotic binary star system,
AR Scorpii. The system is in the Scorpius constellation.
Photos: Supplied

See article on Nature’s website 

In future, stargazers and astronomers will look at the Scorpius constellation near the Milky Way with new eyes. Earlier this year, a group of international astronomers announced the discovery of an exotic binary star system, AR Scorpii. The system is in the Scorpius constellation.

Prof Pieter Meintjes, researcher in the Department of Physics at the University of the Free State (UFS), worked with four colleagues on what he describes as a “wonderful discovery”. This sensational discovery, which could lead to the production of cleaner energy on Earth, will be published in the research journal, Nature, early in 2017.

Model developed to interpret new set of measurements
The exotic binary star which was discovered consists of a red dwarf and a white dwarf revolving around each other every 3,5 hours. The binary system showed very prominent pulsations of 117 and 118 seconds respectively. The pulsations can be explained by a bundle radiation produced by the white dwarf star.

“These new observations have shown that the radiation is strongly polarised, a sign that we are dealing with synchrotron radiation here. Synchrotron radiation is produced by electrons accelerated to extremely high energy levels in the magnetic field of the white dwarf star,” says Prof Meintjes.

He developed a theoretical model to interpret a new set of measurements that was taken by the 1,9 m telescope and the 10 m SALT telescope at the South African Astronomical Observatory (SAA0).

Totally unique phenomenon could contribute to energy production on Earth
“I further indicated that the interaction between the magnetic fields of the white dwarf star and the red dwarf star induces secondary processes that specifically describe the behaviour of the radiation in the radio band and infrared band accurately. AR Sco is the first white-red dwarf binary system of which all the pulsated radiation could be explained by the synchrotron process, which is totally unique,” says Prof Meintjes.

According to Prof Meintjes, the value of the model lies in the fact that the processes which produce the radiation in AR Sco, can also be applied to produce energy on Earth.

 

Plasma reactors are based on roughly the same processes which apply in AR Sco, and with refining, it could be utilised to generate electricity in future. This will be much cleaner than nuclear energy.

 

The model developed by Prof Meintjes explains all the radiation in the system – from radio waves to X-rays – in terms of electrons accelerated to extremely high energy levels by electric fields in the system, which then produce synchrotron radiation over a very wide band of the electromagnetic spectrum.

Prof Meintjes is currently working on a follow-up article examining the evolution of the AR Sco, in other words, the origin of such a unique system and the final state towards which it is evolving. “My vision for the immediate future is therefore to develop a model for the evolution of the source concerned,” he says.

 

 

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