Science & Tech

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

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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

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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

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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.

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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

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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

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The Women Beating Poverty with Solar Power

598 million people in Africa have no access to electricity. Electricity provides a clean source of light and energy. Without it, people resort to expensive, dangerous alternatives such as kerosene. Solar lights are safe, clean and affordable, and women in Zanzibar are leading the way to helping their communities gain

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An Introduction to Acids and pH

Acids are possibly the most fundamental chemicals in nature. They can be found everywhere and chemists have been studying them for thousands of years. Finding out what they are and how we can use them is one of the first things a chemist learns. This article will explain what acids

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Plate tectonics and its relevance in Africa

The theory of plate tectonics was first proposed by Alfred Wegener in the early 20th century. Plates are large areas of crust that cover the earth. Their movements give rise to amazing landforms, and many of these landforms are in Africa! WHAT IS PLATE TECTONICS? The idea behind plate tectonics

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