Thousands of light years away, there is a supermassive black hole spinning at the center of our galaxy – a black hole more than three million times the size theSun! And everything in the galaxy is swirling around it. So does that mean that the black hole is sucking everything into it until there is …
Law of ‘Conservation of Energy’ explained with real life examples. Law of ‘Conservation of energy’ is applicable in our daily life as we convert one form of energy to another to do work. Let us start by understanding work and energy. Both living and non-living things do work. A cat runs behind a mouse; a bus …
What causes surface tension in water ? Have you ever tried to make a bubble bath in plain water? That would be just a bubble-free bath! In order to make bubbles in a liquid, you have to be able to “stretch” its surface to trap a gas (like air) inside. When you blow up a …
Have you ever thought of how everyday phenomena happen, such as small balls rolling faster than large balls? Why do you fall in the forward direction when a car stops suddenly? Or why does a rolling ball stop when it hits a wall? The answer to all these questions is hidden in Newton’s three laws …
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