Science from An Old Bucket of Water

If you climb a hill, you will notice that the trees are not perpendicular to the slope. With some variations due to wind, tree trunks generally meet the horizon at a right angle. Similarly, if you are collecting rain water with an old bucket on a slanted driveway, you will notice that the water level... Continue Reading →

Specific Heat: a Beautiful Characteristic Property

More than once, I intended to prepare  hard boiled eggs  for my kids in the morning, placed water in a pot but forgot the egg. If I remembered within 30 seconds or so, it was still safe to place my hand in the water, but it was  a bad idea to touch the pot itself. Metals warm up... Continue Reading →

At the Mercy of Diffusion

Both the mechanism and appearance of hoarfrost are sublime. Hoarfrost results when water vapor encounters a very cold surface and undergoes reverse sublimation. Such ice crystals normally grow on the ground, but it can also form on twigs or on a poorly insulated pane of glass.The latter is usually called  "window frost" because of its flatter appearance. But it's no... Continue Reading →

WordPress.com.

Up ↑