Propulsion in Spacecrafts
Ion propulsion is the most efficient propulsion system known to humanity. The fuel efficiency of an ion engine is around 90% whereas the most efficient liquid rockets are just 35%! T
Chemistry
Inter/Intramolecular Forces
Introduction “Opposites attract.” Probably one of the best-remembered phrases of science, since it is simple and easily demonstrable by magnets. But, little do people know how much this simple phenomenon constitutes our known world. We are going to assume that you know the basic properties of atoms and their structures. Molecules are the product of …
Graphene
Overview Graphene is a two-dimensional solid consisting of hexagonally arranged intertwined carbon atoms. Perhaps it can best be imagined as a very small material similar to chicken-wire. In organic chemistry, the term aromatic refers to substances related to the benzene compound, which consists of a ring of six carbon atoms that are joined together, each …
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