Archive for the ‘Technology and Education’ Category

Why is Nanotechnology Important ?

Why is Nanotechnology Important ?
Known as the formal study of atoms and molecules in a controlled state, nanotechnology (also known as nanotech) has a broad scope because it covers topics and concepts ranging from conventional physics to modern approaches in the development of new technologies on the molecular and atomic scale. This field of study has been very helpful to other branches of science including medicine, energy production as well as electronics. Most scientists agree that nanotech is very powerful and that it can pose serious threats to global economy and security. To know why is nanotechnology important, it is best that we look at the contributions of this study to the improvements in medicine, engineering, chemical science and physics. The Significance of Nanotech Why is nanotechnology important? There are numerous...

Why Did Astrology Start?

Why Did Astrology Start?
Most people are aware of their sun sign (Leo, Virgo etc) but there are actually still questions regarding the origin and history of astrology. These are just some of the prevailing hypotheses about the subject. Origin It’s very difficult to give exact dates as to when the practice began. It’s a fact that early civilizations paid very close attention to the stars and their movements. Primitive man was heavily dependent on agriculture for his food. Given this fact, he learned the value of observing the occurrences of the seasons, rain, sunshine and other heavenly influences. As time went by, man became convinced that the stars and planets played a role not just in his livelihood but in his character and personality too. The Earliest Practitioners The history of astrology probably started...

Why is Pluto Not a Planet?

Why is Pluto Not a Planet?
There are several reasons given by astronomers as to why Pluto is no longer a planet. To better understand it, some background information is essential. Discovery and Classification In 1930 Clyde Tombaugh spotted the object over Arizona. It wasn’t entirely unexpected. The movements of the other planets suggested the existence of another one. Even before its discovery, scientists were confident in its existence, which they called Planet X. The Kuiper Belt Early on, it was assumed the Solar System consisted of the nine planets, their satellites, comets and the asteroid belt. Over the years, several heavenly bodies were discovered. Eventually scientists discovered the existence of the Kuiper Belt. These objects covered the space from Neptune up to 55 AU (astronomical units). This discovery...

Why Are Apples Associated with Teachers?

Why Are Apples Associated with Teachers?
One of the common practices in Sweden, Denmark and the U.S. at the first day of school is giving apples to teachers. This tradition is practiced to appreciate the efforts of teachers in educating children and young people. To know why people associate apples with teachers, it is important to know the history of the tradition. In addition, it is also necessary to know what apples symbolize. Apples and Teachers Why are apples associated with teachers? People commonly see the fruit as a symbol of variety, change and growth. It symbolizes change and variety because it comes in different colors such as green yellow and red. Additionally, the fruit has various tastes like sweet, sour as well as tangy. Moreover, apple symbolizes growth since the strongest branch and grove of the plant sprout from...

Why Do Pennies Turn Brown?

Why Do Pennies Turn Brown?
You might have seen it happen many times and ask why pennies turn brown. There are those that guess that pennies get rusty and thus producing the brownish color. That wild guess might not be too far off. In fact the formation of rust on iron is quite related to why pennies turn brown. Properties of Copper Pennies are made of a copper alloy. This might bring up a side question of why choose copper when minting pennies. The answer relies on the very properties of copper and why is it a wise choice when minting coins. Understanding the properties of copper will also explain why pennies turn brown. Looking Into Copper Oxidation It is common knowledge to us that iron rusts when you expose it to air or water, which is a process known as oxidation. Oxidation, in layman’s terms, is the process...