Curious Kids: how do solar panels work?

Author: Andrew Blakers
Date: 6/11/19
The Sun produces a lot of energy called solar energy. Australia gets 20,000 times more energy from the Sun each day than we do from oil, gas and coal. This solar energy will continue for as long as the Sun lives, which is another 5 billion years. Solar panels are made of solar cells, which is the p...

Curious Kids: can Earth be affected by a black hole in the future?

Author: Janie Hoormann
Date: 31/7/19
That is a great question. As you know, black holes are called that because the gravity in their centre is so strong, it sucks all nearby light in. None can escape. That’s how strong a black’s hole’s gravitational pull is. Black holes create the strongest gravitational pull in the universe (t...

Curious Kids: how are stars made?

Author: Orsola De Marco
Date: 18/10/19
How are stars made? Well, stars are not made, they make themselves! Or maybe I should say: they come into existence because of a powerful force of nature called gravity. Galaxies are where new stars are born. In galaxies, there are very large and fluffy clouds of gas and dust called nebulae. Gravi...

Curious Kids: can Earth be affected by a black hole in the future?

Author: Janie Hoormann
Date: July 31, 2019
That is a great question. As you know, black holes are called that because the gravity in their centre is so strong, it sucks all nearby light in. None can escape. That’s how strong a black’s hole’s gravitational pull is. Black holes create the strongest gravitational pull in the universe (t...

What makes an echo?

Author: Noel Hanna
Date: 20/3/19
What is a sound? What we call “sound” is really just the air in our ears moving back and forth. The air can move fast or slow. We can hear air moving back and forth between 20 and 20,000 times per second. That’s really, really fast! (For the grownups reading right now, human hearing is from ...

Five gifs that explain how pumped hydro actually works

Author: Roger Dargaville
Date: 7/3/19
People have used moving water to create energy for thousands of years. Today, pumped hydro is the most common form of grid-connected energy storage in the world. This technology is in the spotlight because it pairs so well with solar and wind renewable energy. During the day, when solar panels and ...

Ikea unveils ambition to be number one global residential solar retailer.

Author: Jonathan Gifford
Date: 11th of April 2016
The Swedish home furnishing giant is rolling out its residential solar program in three European countries in the coming months before expanding its solar sales points in stores globally. It aims to be the largest residential solar retailer globally. Building on its pioneering role in installing la...

Scotland closes its last coal power plant

Author: Kate Yoder
Source: Grist
Date: 11th of April 2016
Scotland may be home to golf, haggis, and Sean Connery — but it’s no longer hospitable to coal. On March 24, Scottish Power shut down Longanett power station, its last standing coal-fired power plant. Weirdly enough, the act of silencing the plant’s turbines was exactly what you might imagine...