The countdown hits zero, cheers erupt and suddenly the night sky explodes with colour. Red sparks bloom like flowers, gold streaks race across the darkness and loud booms echo through the air. Fireworks are…
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The holiday season is upon us, and with it comes the familiar sparkle of Christmas lights adorning streets, homes, and trees. Have you ever paused to wonder why these lights twinkle so magically? While…
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Every time you send a text, stream your favourite song, or warm your lunch in a microwave, something extraordinary is happening, and you can’t even see it. Invisible waves ripple through space, carrying energy,…
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You’ve just poured yourself a hot cup of coffee. Steam curls into the air, the surface ripples slightly, and that first sip feels like a warm hug. But give it ten minutes, and suddenly…
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When you rub a balloon on your head, electrons are moved from your hair to the surface of the balloon. The electrons will stick to the side of the balloon where it was rubbed…
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Polarisation is a phenomenon caused due to the wave nature of electromagnetic radiation. It is an important property of light that affects even those optical systems that do not specifically measure it. The polarisation…
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What does a guitar, swing, or a rocking chair have in common? They all oscillate – in a way, they move back and forth between two points. Oscillations can create waves. For example, a…
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In most cases in physics, when people discuss about the theory of superposition, they are talking about waves. Example of waves includes light, sound, water, and earthquake waves. We all know that two objects…
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Electricity and magnetism used to be considered two different topics until the 19th century. Today, electromagnetism is a bourgeoning field in physics that studies electromagnetic forces that occur between electrically charged particles. Electromagnets consist…
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Many power plants and engines operate by converting heat energy to get work done. This is because a heated gas can do work (e.g. by pushing) on mechanical turbines or pistons, which causes them…
