LENSES Lenses and curved mirrors are optical instruments designed to focus light in predictable ways. While light striking a curved surface is more complicated than the flat surfaces we have looked at already, the principle is the same. Any given light ray only strikes an infinitesimally small portion of the lens or mirror, and this
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Quiz of The Day: Think you know your maths? Try this Read More »
Electric Current An electric charge can be at rest or in motion. We speak of static electricity when the charge is at rest, but when the charge is in motion, it is referred to as current electricity. Electric current, I, is defined as the rate of flow of electric charge along a conductor. A stream
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Haha, I saw this yesterday and still can’t stop laughing. Who’s not guilty?
(By Oluwatoyin Ikuomola) The rain had just stopped. The air was cool, gentle with a calming effect on the usually busy village. The birds sang as the trees swayed and danced to their melodious rhythms. Tranquil; such solitude and peace I found. I loved the rain, the serenity and newness it brought with it was
TRANQUIL – A Tale Of Two Sisters With Dysfunctional Relationship (One) Read More »
It is bad news for the rebels without a cause and mean girls. Being a ‘cool kid’ can come back to bite you in later life, researchers have warned. They found that teens who ‘acted cool’ at school were far more likely to struggle as an adult, and were at higher risk of alcohol and
OPTICAL INSTRUMENTS Magnifiers Perhaps the simplest optical instrument is the lens magnifier. Without optical aid, we cannot “see” things close up. The eye will simply not focus closer than about 0.25 m (unless you are nearsighted!). But an object places just inside the focal point of a converging lens will produce a large virtual image
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Chief Moshood Kashimawo Olawale Abiola (24 August 1937 – 7 July 1998), often referred to as M. K. O. Abiola, was a popular Nigerian Yoruba businessman, publisher, politician and aristocrat of the Yoruba Egba clan. He ran for the presidency in 1993, and is widely regarded as the presumed winner of the inconclusive election since
Remarkable People, Places and Events – Moshood Abiola Read More »
From the tiniest blues to the largest swallowtails, colourful butterflies are nature’s flying flowers. Everyone is familiar with butterflies, but how much do you really know about these insects? Here are 15 cool facts about butterflies. Fast Facts about Butterflies 1. Butterflies are insects, large scaly wings set them apart. 2. Butterflies vary in size – the largest
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Attitude is very important in life, especially when it comes to influencing people around you. When you display positive attitude, people respond positively. Also, when your attitude is negative, people tend to respond negatively as well. But at times you might believe that your attitude is set. That is, your bad attitude cannot be changed.
#PNNE-Mentoring (Ifeanyi Okolo): 7 Ways to Choose and Display the Right Attitude Read More »