Science & Tech

What are blockchains?

Blockchain is a suite of technologies that make it possible to store records of financial transactions and other such information in chronological order. In other words, blockchains are digital ledgers. What makes these digital ledgers groundbreaking is that they are distributed and decentralised, meaning they can be used to store

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Introduction to phases

Compounds are found in different phases at different temperatures. The three phases are solid, liquid and gas. SOLIDS In a solid the particles that make up a material are packed very close together in a regular structure. A solid keeps its shape and does not become the shape of its

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The science behind fresh food

While we all enjoy eating good food, one important topic that is important to talk about is that of food wastage. Food wastage can be defined as the disposal of uneaten food. Why might someone throw away yummy food? One of the major reasons why someone may dispose of food

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Africa: the birthplace of mathematics

Maths is helpful, beautiful and necessary to everyone in the world. And maths was first used in Africa! Businesses, governments, schools- everyone uses maths all the time. Everyone learns to count to 5 early in their childhood. But where did these numbers come from? LEMBOMBO BONE The oldest ruler ever

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The future of smart cities in Africa

In a couple of days, the Smart Cities Global Summit for Technology and Investment will take place in Algiers. The summit is expecting over 4000 attendees and over 200 speakers representing more than 30 different countries. But what’s all the fuss about? As the term suggests, smart cities are urban

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Solutions for internet access in Africa

It is well known that the internet offers an exciting array of possibilities for individuals, organisations and states. Not only is it a door to the global connected market but it is also a tool that can enhance financial, political and social processes. Worldwide internet access continues to rise year

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EdTech: the future of education in Africa?

As new technologies spread and change at an overwhelming pace, they are beginning to transform human activities that have remained constant for centuries. Among those that are most concerned is education. EdTech, or education technology, is a very broad term that can simply mean using a computer to enhance learning

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How nuclear power can help in Africa

HOW DOES NUCLEAR POWER WORK? Nuclear power is a clean, powerful, but expensive source of energy. In some ways, it produces energy in a similar way to burning fossil fuels. All of these energy sources create electricity by forcing steam through a generator turbine. However, nuclear energy uses a more

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