Achal Agarwal

Newton’s World (Forces around us)

Can you imagine a world where nothing ever changes? No one moves. Nothing even stirs. Like a dead, stationary planet. As soon as there is any motion or any sort of action, some force kicks in. Or, to put it the other way, every force in nature results into some…

Simple Machines

Simple machines From pre-historic times, man keeps finding ways that will help him simplify his life. As a cave man and a hunter, humans discovered fire and ways to ‘create’ fire. Fire helped him be safe from predators and improved the taste of food that he could now cook. As…