Alkali metals are chemical elements that are highly reactive with oxygen in the air and water. The alkali metals are sodium, potassium, rubidium cesium, and francium. When any of these metals is dropped in water, an explosion takes place with the generation of heat. The alkali metal breaks water into its constituents, hydrogen and hydroxyl…
A lightning is usually produced by the cumulonimbus clouds in the atmosphere. In the clouds, negative and positive electric fields are formed from top to bottom containing negative and positive ions respectively. A column of ions (leader bolt) moves from the negatively charged part to the positively charged part, discharging electricity. The speed of such…
The bestselling books by eminent authors were named differently. The book Gone with the Wind by Margaret Mitchell was named Ba Ba Black Sheep, War and Peace by Leo Tolstoy was named All’s Well that Ends Well and Frankenstein by Mary Shelly was named Prometheus Unchained.
Glass is a solid, transparent material made chiefly of silica. Other elements such as sodium and calcium are also added. According to an estimate by the United States Environmental Protection Agency, about 13 million tons of glass waste is generated annually in the US. The decomposition of glass depends on a lot of factors such…
If you wish to travel from earth to the nearest star ‘Sirius’ at 99.99999999% of the speed of light, it will take you 18 hours to reach Sirius. However, when you return to earth after another 18 hours with an intention of dinner, you will find that your family and friends would have already had 6,570 dinners….
Light is electromagnetic radiation. Time has no effect on it as it travels at a very high speed. So it does not age.
