A national symbol that goes by the nicknames ‘the Starry Banner,’ ‘Old Glory’ and ‘the Star-Spangled Banner,’ the American flag is one of the highly recognizable symbols in the world today. This is mainly because of the status of the United States as one of the most influential countries in history. In the past, it has been involved in highly relevant issues. More importantly, it has played an active part in various peacekeeping efforts in different parts of the globe. For use to know the importance of the American flag, it is nice to look at the country’s history and identify what this national symbol really stands for.

The Importance of the American Flag

Why is the American flag important? This thing is very important because it symbolizes the independent government as described under the United States Constitution. Add to that, it also represents the history, beliefs and values of its citizens. As a democratic country, its people adhere to all-important values such as freedom, justice and equality. Moreover, the flag also symbolizes the various accomplishments of the country as well as the pride of its people.

This national symbol reminds people about the different important aspects of the Declaration of Independence. It is a complex symbol, which stands for the liberty and rights of Americans. Overall, there are 50 stars in it, which represents the different states of the country. Meanwhile, the 13 stripes stand for the very first states of the Union.

Other Important Information about the American Flag

Although some people fly flags all throughout the year, there are specific events that the U.S. flag is widely used nationwide. Flags are flown especially during holidays such as Independence Day, Veterans Day and Memorial Day. There is also a holiday called Flag Day, which commemorates the very day when the American flag was adopted.

In some locations in the country, U.S. flags must be displayed at all times. These include the White House in Washington D.C., the U.S. Marine Corps War Memorial in Virginia and the Nashville City Cemetery in Tennessee. Also in Washington D.C., the Washington Monument displays a total 50 flags.

Aside from the locations, it is also important to take note of the dates when the U.S. flag must be displayed at full staff. In January for instance, it is mandatory to fly the flag at full staff on the first day of the month, which is New Year’s Day. The same thing goes for the 20th day, which is Inauguration Day. The Flag Day is on the 14th of June, Independence Day on the 4th of July and Veterans Day on the 11th of November every year.

The history of the Brooklyn Bridge is more than an example of the engineering skills of people. It’s also a story of determination, of how they were able to overcome any struggles and early obstacles.

Beginnings

The idea of building a suspension bridge was proposed in 1857. That year the proposal to create one was sent to Congress. The goal was to construct it just over the East River. The plan was to extend it all the way to Brooklyn.

However it was only in 1866 when the plans were officially given to John Roebling and Wilhelm Hildenbrand. The Congress approved of their plans. Two years later the New York Bridge Company was created and the history of the Brooklyn Bridge would properly commence. In 1869 the plan was sent to President Ulysses Grant, who approved it.

Construction

In 1869 John Roebling suffered a fatal accident. He was supervising the site to determine where it should be built. His legs were injured and he died from infections related to it. His son Washington was left in charge. It was under his watch in 1870 that the construction started.

A couple of years later in 1872, Washington fell victim to caisson disease. This kept him away from the construction site. However he was still able to direct the work at home. He would give the instructions to his wife, who would relay it to the engineers and other workers.

The history of the Brooklyn Bridge would never be the same. Emily Roebling would learn the facts about mathematics and constructing bridges, and this would help in the making of the bridge. In 1874 the tower was finally completed. A temporary footbridge was added in 1877. It was also that year when a furor erupted over the wiring arose.

Opening

The bridge was opened in 1883 to the public to great success. Over 500,000 people and 1,500 vehicles attended the event including the President and New York City officials. The day was accompanied by fireworks, gun salutes and music.

A week later, wild rumors began spreading that it was to going to give way. This resulted in a panic that ended up killing a dozen people. one of the worst in the history of the Brooklyn Bridge.

Facts and Figures

The bridge is over 5,989 feet long. The longest span is 1,600 feet. It is about 85 feet wide. Through the years it has served several purposes. It currently has six lanes made for motor vehicles. It also has a separate section for the pedestrians. The entryways are found at the Adams and Tilary Streets.

There is also one at Sands Street and Exit 28B. The bridge is also accessible from FDR Drive in Manhattan. Those on Park Row and in Frankfort Street can also reach the bridge.

The history of the Brooklyn Bridge is an example of the determination of people to overcome the odds. At the time of its construction it was considered an impossible task. There were obstacles, but through determination, they were able to pull it off.

Known as a device that can be used in homes and business establishments to detect smoke, a smoke alarm is very essential to prevent the occurrence of fire in offices and houses. Most of these devices have an optical detector that can detect particulates caused by fire. There are different types of smoke alarms, which include laser, aspirating, beam, photoelectric as well as ionization. According to a report released by the U.S. National Institute of Standards and Technology, the ionization type is very efficient in providing signals or warnings.

Owning a smoke alarm in commercial places and homes is beneficial. To avoid experiencing troubles, it is important that owners know if the device is not functioning well. It is also necessary that individuals know how to address the common problems associated with smoke detectors.

Malfunctioning Smoke Detector

Why does my smoke alarm keep beeping? One of the reasons why the device keeps beeping or chirping is that it has a low battery. To fix the problem, it is important to replace the battery as soon as possible. If the battery has been changed and the problem still occurs, then it is best to have a closer look at the detector. When insects are trapped in the device, it can cause the device to keep chirping and beeping. In addition, another cause of the problem is the accumulation of dust in the optical detector.

Aside from the above-mentioned reasons, a smoke alarm usually keeps beeping if there is an improper wiring. However, it only applies to AC/DC or AC smoke detectors. If the wiring is grounded, the detector will beep every five seconds. Check the orange wire in the smoke alarms. If it is grounded, then the best solution is to look for an electrician who can fix the wiring in the detector.

Other Relevant Information

The proper installation of smoke alarms in homes and commercial establishments is very important for the proper functioning of the devices. It is important that smoke detectors be installed on the wall or the ceiling. It is also necessary that the devices be checked at least once a month to make sure that there are no problems with the wiring of the smoke detectors.

These devices can last for a decade and most of these are not expensive. Homeowners are encouraged to install at least one smoke alarm in their places because researches proved that it can cut the probability of dying from house to 50 per cent.

There are a lot of facts about copper that people may not know about. The following information will show just how prevalent it is.

Why it Turns Green

The reason it changes color is because of chemical reaction. When
exposed to oxygen, it will assume that color.

For Electrical Wiring

Part of the basis why this element is useful is that it conducts electricity well. It’s this reason that it has come into use in many electrical equipment. Today the industry is one of the biggest consumers of the element. One of its most attractive features is that it becomes easy to use in electrical wiring. Because it makes wiring simple, a lot of appliances and gadgets make use of it.

For Decorations

Other facts about copper include the ease with which it can be fused with other elements. For example combining copper with zinc will produce brass. You can tell by looking at the brass which element is dominant. If the color is pale, then there is plenty of zinc.

When it is turned into brass, it can be used for making ornaments and decorations. Candles sticks, necklaces, imitation jewelry etc, the use of brass is virtually endless.

Plumbing

The element is also known for being resistant to corrosion. It also is a good heat conductor. For this reason it has become used in a lot of plumbing. A lot of pipes used are made of copper. Using this metal it becomes easy to manage the flow of hot and cold water.

Making Pots and Pans

Studying the facts about copper will show that it conducts heat better than most elements. This trait is the reason why it continues to be used in making kitchen utilities. Usually they are combined with tin. The combination is what gives pans their non stick feature.

Other Uses

Looking around your home, you’ll see that it is virtually everywhere. It is present in the wiring, appliances, electronic equipment, and pipes. It has been estimated that each home has nearly half a ton of the element there. Most cars also carry about 50 pounds of it around. This is of course due to the electronics and equipment around it.

Versatility

Other facts about copper are worth pointing out. Its versatility has earned it the moniker of being the eternal metal. It is soft enough to bend in different shapes. It is also very durable, which is vital as it conducts heat and electricity. Because it is so vital to engineering and construction, it’s become integral to space flight as well.

The metal element is practically indispensable. It is used in computers and telecommunications. Vehicles need it to function as well. Without it cables, roofing, and basic designs would be non existent. Look around your house. The fridge, microwave and drying machine all have the element in them. The computer you use also has it.

The most basic and fundamental facts about copper is that we need it. Although it’s something most take for granted, it is virtually irreplaceable.

Mars is fourth in the order of the planets from the sun; it comes after Mercury, Venus and Earth. For years, scientists and experts have been interested about the physical characteristics, structure and composition of its neighboring planet. They have conducted numerous explorations in the past, but there are still many other important questions at the back of their minds. As part of the solar system, it is quite interesting to find out why Mars is called the red planet.

The Reason Behind the Red Appearance of Mars

Why is Mars called the red planet? Due to its red appearance, many people have referred to Mars as the ‘Red Planet.’ The primary reason behind this is the prevalence of iron oxide, which is commonly referred to as rust. It produces a red-orange appearance right at the planet’s surface. Because of its bright color, it is very much visible from the Earth. Only the sun, moon and Venus are brighter than this planet, which has a 2.9 magnitude.

In terms of physical characteristics, Mars only measures around half of the Earth’s radius. Its density is lower as well compared to that of the Earth. Even Mercury, which is considerably smaller than the red planet, is denser. Aside from iron oxide, its soil also has other elements and nutrients such as chloride, potassium and magnesium. Furthermore, it also has sodium among other important elements, which are needed by living organisms in order to grow.

Other Important and Interesting Facts about Mars

Because of the low atmospheric pressure in the planet, the possibility of having liquid water on it is not possible. Meanwhile, there is much supply of water ice on its surface. The estimated time when the planet lost its magnetosphere is around four billion years ago. The major components of the atmosphere in Mars include 1.6 percent argon, 3 percent nitrogen and 95 percent carbon dioxide. There are also little traces of water and oxygen on the planet.

Methane is also present in the atmosphere of Mars. Scientists associate the presence of this element to numerous factors including the impact of comets as well as volcanic activity. There is also such a thing as serpentinization in the planet, which is a non-biological process. It involves key elements such as mineral olivine, carbon dioxide and water. The distance between this planet and the sun is estimated to be somewhere around 230 million kilometers. Another interesting thing about this planet is the orbital period, which is set at 687 days. Just like the Earth, Mars also has changing seasons, namely aphelion and perihelion.