INTRODUCTON A bright blue sky is universally associated with a sunny, cloudless day. This brilliant colour is the result of the interesting way the sunlight interacts with the Earth’s . DIFFERENT COLOURS OF LIGHT Most light sources, like the sun, give off ‘white light’. However, this light is in fact
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All Posts by RACHEL DAUNCEY
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
What is Digital Health?
Digital health is a broad term for technology that is used for medical purposes. It is a growing sector in Africa, with many different applications; one major example is the use of mobile phones in diagnosis. MOBILE DIAGNOSES: CONNECTING WITH DOCTORS There are now many apps available for mobile phones
What is Encryption and How Does it Work?
WHAT IS ENCRYPTION? Encryption is a way of disguising data so that no one can read it unless they know how to reverse the disguise. It is used for keeping information private on the internet, such as emails or bank details. HOW DOES IT WORK? Encryption is used to keep
How do Machines Learn?
Machine learning has been a growing area of technology for the last few decades. Now computer scientists are able to write code that allows computers to learn to play games, identify objects in images, and much more besides. WHAT IS AN ALGORITHM? An algorithm is a sequence of instructions. For
What is Game theory and how does it teach us to share
Game theory is a branch of mathematics that explores how to get the best outcome in a situation. It can be applied to politics and economics as well as our everyday interactions. A GAME THEORY PROBLEM One puzzle Game theory tackles is known as ‘The Tragedy of the Commons’. This