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Thunderstorms are a storm that is characterized by the presence of lightning and thunder. They are known by various other names including electrical storms, lightning storms or thundershowers. They Thunderstorms can include heavy rain, sleet, snow or hail and almost always include strong wind. Thunderstorms can occur anywhere in the world but are most common in areas located close to the equator where warm air often collides with cooler fronts.
Headphones are used in many different industries ranging from music production to echo sonar technology. Their primarily function is to relay and amplify sound. Headphones are essentially two speakers that are encased in circular modules that sit in or over a person’s ear. They are used to amplify sound directly into a person’s ear and allow for individual listening. Headphones can be connected to a variety of different sources of sound and can also be connected to other machinery to be used in telecommunication and radio broadcasting.
Honey is a sweet, amber colored liquid produced by honey bees. It is one of the most common sweeteners used by humans and has been used for many centuries. Honey has also used for medicinal purposes due to its antibacterial and antiseptic properties. It has long been used as an energy food especially for wilderness survival. Bees make honey to feed the hive and the bee larva during the winter months when food is scarce. The following article will outline how bees make honey.
The tone and shape of muscles forms an important part of self-image in society. Large amounts of time and money are invested into gym memberships and home workout machinery in an effort to grow and tone muscles in the body. Muscles enable us to move our bodies, stand upright, talk, walk and even laugh. Without muscles our bodies would have no way to control our movement. So how do muscles grow from small usable muscles to large bulging biceps and triceps? Read this article to find out.
Icebergs are large floating pieces of ice that have broken off from a snow formed glacier or ice shelf. They consist of freshwater rather than saltwater even though they are found in the ocean. For an iceberg to be classified as an iceberg it needs to have a height of greater than 16 feet (five meters) above sea level and the thickness must be 98-164 feet (30-50 meters). It also needs to cover an area of at least 5,382 square feet (500 square meters). Floating pieces of ice that are smaller than this are called bergy bits or growlers.
Clouds are a collection of tiny droplets of water and ice that have been evaporated from the surface of the earth. Clouds come in many different shapes and sizes and exist at different levels in the earth’s troposphere. There are three main types of cloud; they are stratus cloud, cirrus cloud and cumulus cloud. There are other scientific terms for specific clouds that are a combination of these names. Clouds appear darker when they are heavy with water or very dense. This is why you often see dark clouds before a storm.
A black hole is an area in space with such a strong gravitational field that not even light can escape from it. This is the reason that a black hole appears black. Interestingly, a black hole is not actually a hole at all and it is not empty. It contains a large mass of material in a tiny space thus its incredible gravitational field. They are simply called black hole because that’s what they look like in space.
Vaccines, sometimes called immunizations, needles or shots, are medical substances that create immunity to particular diseases. Vaccines are injected via a hypodermic needle or given orally by mouth. There are many different types of vaccines, but all aim to do the same thing, reduce the risk of contracting potentially deadly diseases such as polio and chicken pox. Due to the availability of vaccines, diseases such as small pox have been wiped out.
Glow sticks, or light sticks, have a variety of purposes such as diving, military operations, emergency scenes, camping, concerts and amusement. They are basically a plastic tube with a glass vial inside that produces light without the use of batteries or electricity. They come in a variety of colors and can continue to produce light for a long period of time. They are a cheap and safe source of lighting for many activities and are popular with children and adults alike. How do glow sticks produce light? Read on to find out.
A mutation is a permanent change in the DNA sequence of a gene. Genetic mutations are those that are passed on from a parent to a child and through families or are acquired during a person’s lifetime. If it is a hereditary mutation the damage to the cell in the parent is passed on through their DNA to their child. In some cases this causes illness and disease, in other cases it is not harmful at all. Acquired genetic mutation can be caused by a number of different factors such as radiations, sunlight, viruses, transposons and mutagenic chemicals.