Solar powered backpacks were designed in 2015 by Evariste Akoumian, a computer salesman from the Ivory Coast. He came up with the idea after his car broke down one evening, as night was falling. He noticed that many children were arriving home from school at this time. These children had
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Science & Tech
What is air pollution?
Air pollution is the term used to describe the dirtying of the air we breathe in. Air it is not always obvious, in some cases, a visible smog (thick smoke) can be seen, but not all air pollution can be seen by the eye. Pollution of the air takes place
The importance of scientific journals
Modern science is not all about doing experiments. A key feature of being a scientist today is making sure that everything you discover is properly shared with the world. This can be done by publishing papers in scientific journals. In this article we will have a look at what these
Exploring space: what’s in our universe?
When we look up into the night sky, it can be difficult to imagine what could be out there. This article explains some of the things that astronomers (scientists who study space) have discovered in our universe. THE UNIVERSE The Universe contains everything that exists, and it is nearly 14
Mobile banking: its functions and benefits
Mobile banking is a broad term used to describe any method through which a mobile device, such as a cell phone, can be used to access the services offered by banks and other financial institutions. These services can include paying money to retailers and vendors, transferring money to friends and
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
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
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
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
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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