The pressure caused by a column of liquid can be calculated using the equation: pressure = height of column × density of the liquid × gravitational field strength The density of water is 1,000 kg/m 3.

We again have a leopard visiting us on the IIT Kanpur campus. We already have porcupines, a million dogs, nilgais, snakes, and scorpions. Leopards are a new addition to this thriving ecosystem. It’s ...

Trapped The study of nanoconfined water has important real-world applications in biology, engineering and geology. (Courtesy: Christoph Schran, Cambridge University) When water is trapped in narrow, ...

The particles in a gas are moving very quickly in random directions. The speeds of the particles vary but, on average, they move quicker than they do in liquids or solids. This means that it does not ...