Science & Mathematics Questions & Answers

Science & Mathematics Questions & Answers

What are mosaics?

A mosaic is a picture or pattern made by placing, or fixing, small different-colored pieces of stone or glass side by side. The art was an invention of the Mediterranean peoples and flowered between c. 300-31 B.C. In the Roman period, or about the first five hundred years of the Christian era, mosaics of great beauty ad variety were designed …

Read More »

What are mocap suits?

Motion capture, or mocap, is a technique for digitally recording movement. Originally used as an analysis tool for biomechanics, mocap is now successfully employed in a wide variety of sectors including games development, advertising, and education. Movement is captured through the placement of sensors on or near each joint of the body. As each joint moves, the positions or angles …

Read More »

What are Mineral Springs and Thermal Springs?

When spring water passes through rocks containing different type of minerals, it absorbs them during its underground flow. Generally the water of all the springs contains some kind of minerals. When there is abnormal amount of mineral in any spring water, it is called ‘Mineral Spring’. When the water of any spring comes into contact with hot rocks, it also …

Read More »

What are mammatus clouds and how are they formed?

True to their ominous appearance, mammatus clouds are often harbingers of a coming storm. Composed primarily of ice, they can extend for hundreds of miles in each direction and individual formations can remain visibly static for 10-15 minutes at a time. While they may appear foreboding, they are merely the messengers. As upward draughts carry precipitation enriched air to the …

Read More »

What are magic bullets in pharmaceutical terms?

The German scientist Paul Ehrlich, considered the father of chemotherapy, originally coined the term magic bullet in the 19th century to refer to arsenic containing chemicals that showed the remarkable ability to cure syphilis — a sexually transmitted disease. He proposed the seminal idea that each disease must be treated with a chemical specific for that disease. His greatest contribution …

Read More »

What are lines of Latitude and Longitude?

These are the lines you will drawn on a globe, running from east to west or north to south. Latitude the line drawn halfway between the poles is called the equator. Other lines parallel to the equator are called parallels, or lines of latitude. They are measured north and south of the equator (0° latitude) to the poles (90° North …

Read More »

What are heartwood and sapwood?

Wood is, in fact, the secondary xylem formed by cambium (layers of tissues) during secondary growth. As the tree grows old, the wood at the centre ceases to perform the function of conduction and is blocked with organic compounds like oil, resins, and tannins, and develops a dark colour. This dark coloured portion of the wood is called heartwood. The …

Read More »