WHAT IS DATA? A piece of information can be called a “datum”. If you have more than one datum, you can call it a set of “data”. The height of one person is a “datum”, and the heights of a group of people is a set of “data”. Most of
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Science & Tech
How important could technology be for literacy in African countries?
Developing technology is changing the way people across the world are reading, in particular in developing countries where access to texts is limited. Charities and writers are working together to increase literacy and interest in books, and businesses are competing to drive prices down and keep demand high. The future
Why did the lithium-ion battery deserve a Nobel Prize?
The Nobel Prize in Chemistry is one of the most celebrated awards in science. This year, it was awarded to John B Goodenough, M Stanley Whittingham and Akira Yoshino for developing the lithium-ion battery. The work they did in the 1970s and 80s has revolutionised our world. WHAT IS A
How science is leading the Rwandan recovery
Since the civil war, Rwanda has invested strongly in science to help build its economy. Before the war, agriculture was Rwanda’s main industry. But, during the conflict, many farmers had to flee their homes and farms, so could not work anymore. This damaged Rwanda’s economy. Since the war ended, Rwanda
Entropy: chaos in science
Scientists aim to provide explanations for how our world works. Concepts like gravity and heat help us to understand what happens around us. Entropy is a similar concept and dictates how everything in the Universe works. WHAT IS ENTROPY? There are many different ways to define entropy. The easiest way
How Smart Lockers Could Transform Pharmacies
(Listen to this article on the Sky Alpha Breakfast Show) Neo Hutiri is the winner of the 2019 Africa Prize for Engineering Innovation. The South African engineer has designed a collection of ‘smart lockers’, managed by his company Pelebox. These aim to help combat the current strain on the public
How Can Drones Help Save Lives?
WHAT ARE DRONES? Drones are small remotely-controlled flying machines. They do not carry people, but can carry supplies. They also usually have cameras mounted on them. These allow the person flying them to see what they are doing, and also allow for photos to be taken looking down from above.
Glass: almost a solid
Glass is a wonderful material with a variety of uses. We use it in many everyday items, from bottles to cameras. It is transparent, long-lasting and recyclable. However, glass is also a strange material – it is neither a solid nor a liquid, but something in-between! WHAT IS GLASS? Glass
What are the dangers of social media and how can we avoid them?
HOW CAN THEY BE DANGEROUS? There has been a huge increase in internet access in sub-Saharan Africa over the last few years. Internet access means access to social media and social community platforms, such as Facebook, Instagram, Twitter and Nairaland. It lets people stay in touch with their friends and
What Would Life Be Like On Another Planet?
(Listen to this article on the Sky Alpha Breakfast Show) Recently, , the USA’s space agency, announced plans to send humans on another trip to the moon by 2024. Astronauts will bring back samples of rock from the surface of the moon so we can learn more about the moon’s
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