By: Elizabeth M Young
For the human concept of time to not exist, change would not be allowed to happen. Our symbolic representations of the passage of time are integral to our dealings and interactions with an ever changing natural world. Objects are in one place and humans often...
By: Tarek Musslimani
The electron pushing concept is referred to usually to electron donating or electron releasing concept. It cannot be considered as a topic by itself because it is tightly related to the concept of electron withdrawing power. When we talk about electron donating or electron withdrawing...
How the universe formed
By: Marc Cheny
Before the beginning of time there was darkness and silence. No visible reactions, no audible sounds, which in our time stands as the clock to our universe. If there was any physical existence, little was known on the condition of the reactions taking place at...
By: Tarek Musslimani
Physical organic chemistry is that branch of organic chemistry which deals with mechanistic studies of chemical reactions for the elucidation of structure and reactivity of organic compounds and reaction pathways. For this purpose scientists in this area of research use spectroscopic methods and techniques such...
By: Terrence Aym
Stephen Hawking, the world renown theoretical physicist made his mark with fuzzy black holes and naked singularities. No those aren't drinks created by a Las Vegas bartender, but cosmological objects that may be the astronomical gears running our entire universe.Hawking, 68, is no stranger...
Why manned interstellar travel is impossible
By: Rex Trulove
It wouldn't be fair or correct to say that manned interstellar travel is impossible without giving a bit of a disclaimer. Saying that something is impossible implies that it can't be done and never will be done. Since man has accomplished many things that were...
By: Rick Bavera
Asteroids. What do we know about them? They can be found in two main areas: between the orbits of Mars and Jupiter, and beyond the orbit of Neptune. They are small objects, and get their name because the first discovered were bright and star-like. The...
By: Tarek Musslimani
Hydrocarbons are a group of organic compounds which contain carbon and hydrogen in its molecular structure. Carbon is a unique atom due to its ability to form polymers from its compounds. Only silicon mimics carbon in this trend of polymer formation. Due to the comparable...
By: D. Vogt
Several centuries ago, manned flight through Earth's atmosphere was plausible, but technically impossible. Today, the same can be said for manned interstellar travel: it might become possible through some sort of as-yet-unimagined invention in ten years, or a hundred, but don't hold your breath. The...
By: Lian Slayford-Wei
The Hebrew Names of the Seven Planets In the ancient world, the Hebrew names of the seven planets are found in the Babylonian Talmud, but evidence shows that there were another set of names given by the Jews of the Later Roman Empire. These other...

 

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