Author: The Conversation

If you use “123456”, “password” or “qwerty” as a password, you’re probably aware that you’re leaving yourself vulnerable to hackers.

It’s now cheaper for Eskom to buy renewable energy from independent power producers than to run its coal power stations.

Shabir Madhi has been a key player in shaping the country’s response. Here he provides an assessment of plans to vaccinate adolescents, and next steps.

Stellenbosch University’s Thinus Booysen and Arnold Rix explain what the power grid is and what keeps it stable – or not.

On paper, privacy rights for citizens of countries throughout Africa are well protected. In practice, governments are engaged in illegal digital surveillance of their citizens.

Nasa’s James Webb Space Telescope is the most powerful space telescope ever built and a complex piece of mechanical origami that has pushed the limits of human engineering.

Have you ever wondered if you’re just a character in some elaborate simulation? You shake the thought off because you’re a real person, living a real life, in a concrete reality. But can you be certain that you are?

Facebook CEO Mark Zuckerberg recently announced the tech giant will shift from being a social media company to becoming “a metaverse company”. But what does that mean?

At first glance, a recently granted South African patent relating to a “food container based on fractal geometry” seems fairly mundane. On closer inspection, it’s anything but.

Ransomware attacks are growing exponentially in size and ransom demand — changing the way we operate online. Understanding who these groups are and what they want is critical to taking them down.