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Youngs Double Slit Experiment and Interference

Thomas Young conducted his famous double slit experiment to show that light is a wave. He used light from a single source and allowed it to fall on a screen with two very small holes or slits. This is why… Continue Reading →

Light theory rivalry

Back in the 17th century, two conflicting sets of information existed about light theory. One set of scientists suggested that light is a wave while another group suggested that light is a particle. Each theory had valid explanations and justified why light showed… Continue Reading →

Vacuum flask

The vacuum flask keeps your food or drink hot or cold. It was designed in such a way to keep heat from escaping from the hot contents to its surroundings or to prevent heat transferring from the surroundings heating up the… Continue Reading →

The greenhouse effect and global warming

A greenhouse is a small glass building that is used for growing plants to protect them from the cold. Understanding how it works to trap heat can help you to understand global warming because the principles are the same. Two key things to… Continue Reading →

Convection

Convection is the flow of heat in a liquid or gas from a region of high temperature to a region of lower temperature where the whole medium moves and carries heat energy with it. It is caused by a change in… Continue Reading →

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