Snoring occurs mainly due to the soft palate at the back roof of mouth which closes the nasal passage while swallowing or uvula; a dangling like thing comes in the way of air. During sleep they get relaxed during night making the passage narrower for […]
Headache, fatigue, shakes; nausea, all the symptoms at the same time is a hangover. The main cause of the hangover is having alcoholic beverages. These beverages contain ethanol. Liver enzymes help the liver to break ethanol, but too much of alcohol does not allow the […]
The special design of the stealth aircraft makes the airplanes less detectable audibly, visually, thermally and thus on radars. This does not mean that the technology makes them invisible, but they are far less prone to identification than the conventional airplanes. Stealth technology has a […]
Who invented the DVD? DVD also known as Digital Video Disk was invented in 1995 and the invention is a group effort of companies the following companies namely; Sony, Philips, Toshiba and Time Warner. Many other company representatives have also contributed in different working groups […]
The global positioning system better known as the GPS was invented by Roger L Easton. GPS is used to provide reliable information on time and location at all times. The invention of the GPS has created a great revolution in the way we live. Roger […]
Why do we blush? Scientists are not able to find the definite answer about this but some theories about this are very common. The system that activates our “fight-or-flight†response, embarrassment and blushing is called the sympathetic nervous system. In this system an action in […]
Acne vulgaris is also known as acne. It is a very common problem among the teenagers and young people. Acne can appear anywhere on our body but mostly on the face and the back. Whiteheads and blackheads are the symptoms of acne. Acne can be […]
When various minerals, metals and other objects are tapped from the earth’s surface and below the surface of the Earth, it is known as mining. Most of the metals like copper, silver, gold, manganese; iron ore are being taken out of the Earth by this […]
The history of the elevator can be traced back to the times of Archimedes and since then several primitive forms of elevators have been used over the years. However an elevator similar to the modern elevators used today was invented by Elisha Graves Otis, in […]
Thermal energy is being transferred in three different methods. They are convection, conduction and radiation. If two materials of different temperature are placed together, they will try to achieve a thermal balance. This is the reason that temperature moves from higher level to lower level. […]
