Author The Conversation


Innovation perhaps, but to what end?

The annual International CES consumer electronics show running in Las Vegas this week has highlighted what industry, at least, believes is our technology-enabled future. This year, it seems to lie totally with the


The Imitation Game: history, drama or myth?

The acclaimed new movie The Imitation Game is based on the too-short life of Alan Turing, the British mathematician and “father” of computer science. But how true-to-life is it and what can we learn from it? The movie concentrates on the code breaking

Editor's pick

Twisted light will boost your broadband

Your home Internet connection works in one of two ways. One involves using a copper wire, probably your telephone line to send electrical signals from the Internet provider to your home and back. This technology hasn’t changed much since the days of the telegraph


CES points way to the future of TV

The Consumer Electronics Show (CES) has arrived again. It’s the world’s largest consumer electronics and technology exhibition in Las Vegas, where manufacturers will show off the new technologies available in 2015. Wearables, 3D printers, curved displays and other technologies


Your life is Facebook’s business model

Facebook’s recent apology for its Year in Review feature, which had displayed to a grieving father images of his dead daughter, highlights again the tricky relationship between the social media behemoth and its users’ data. The free service Facebook offers to its


These are the jobs of the future

It’s a sobering thought that in 10 years, around 65% of the jobs that people will be doing have not even been thought of yet, according to the US department of labour. In some markets like Australia, there are reports that up to half a million existing jobs could be taken over


2014: a golden year for cybercrime

Looking back, 2014 was not a good year for keeping things safe under digital lock and key. If a score was being kept, it might seem that the cybercriminals are in the lead, despite the valiant efforts — and own goals — from the cybersecurity profession worldwide. Cast your mind back

Editor's pick

SA should scrap pass-or-fail exam results

In South Africa, as in many countries, the release of senior secondary school exam results, referred to locally as “the matric”, causes a media furore every year. At 18 years old, students either pass or fail and their results are published in


Technology resolutions for 2015

People of the western world have been making resolutions for the new year for over 4 000 years. The Babylonians, along with the Romans who later developed the idea further, made resolutions in the hope of favourable returns from the gods. In the current day, self-interest has


And now for 4D printing

Additive manufacturing – or 3D printing – is 30 years old this year. Today, it’s found not just in industry but in households, as the price of 3D printers has fallen below US$1 000. Knowing you can print almost anything, not just marks on paper, opens up unlimited opportunities for us to

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