In physics, what is the difference between a gas and a vapor?
By: Kimberly Napier
The words vapor and gas are used interchangeably throughout science. In fact physically and chemically, there is no difference. Gas is used in a more general setting, whereby the word vapor is used to talk about one certain phase of a substance. Since gas is...
By: Eric Puravs
Tau Ceti is a yellow star in the constellation Cetus, which is visible from both the Northern and Southern hemispheres. The star's name is a combination of a Greek letter and the name of the constellation. In 1603, Johann Bayer compiled the Uranometria star catalog...
In physics, what is the difference between a gas and a vapor?
By: Francis Harris
Vapor (or vapour) and gases are often used synonymously. Informally there isn't much difference between them with gas often being used as a term that encompasses vapours, and vapours being considered a particular type of gas. However, there is a technical difference that arises from...
An overview of Tau Ceti, a star with inhabitable planets
By: Erin Yorke
In the constellation Cetus, Tau Ceti is a star visible to the naked eye from both hemispheres. The star Tau Ceti has been exciting researchers lately. This star is believed by many to host planets with life-friendly conditions. In a world hoping to discover living...
By: Nwachukwu Lawson Luke
Containing just a single valence electron, and located in Group 1 elements of the periodic table, Lithium is the lightest of all metals. it is generally classified as an alkali metal: this means that it is soft, malleable, ductile, extremely reactive, and a good conductor...
In physics, what is the difference between a mixture and a compound?
By: Kimberly Napier
Compounds and mixtures are two scientific terms that mean two different things but yet there is confusion between the two terms. Every physical object occupies space and it has weight, or are made of matter. Matter is any object that can be touched or can...
Astronomers suggest Earth hit by Gamma-ray blast 1,200 years ago
By: Terrence Aym
Life on Earth, while robust, is also fragile. The biosphere can only support higher lifeforms within a very narrow range. Mass extinction events have occurred numerous times in Earth's past and no doubt will happen many more times in the future.Various cataclysmic events happen...
In physics, what is the difference between a gas and a vapor?
By: John Traveler
The difference between a “gas” and a “vapor,” as the terms are used in the physics discipline, is subtle yet simple. The fundamental three states of matter “solid, liquid and gas” have been understood since antiquity, but the factors and variables...
In physics, what is the principle of moments?
By: Kimberly Napier
The principle of moment, or Varignon's Theorem, as defined by S-cool – The Revision Website, is “a force multiplied by the perpendicular distance from the line of action of the force to the pivot.” A good example to show this principle is the...
By: Shaheen Daad
Budding engineers going into university are wildly ecstatic about fields such as dynamics, thermodynamics, electromagnetism and quantum mechanics. But when they come out they appreciate something quite different, sitting quietly in an unassuming corner of the engineering syllabus - statics. Statics is about stationery objects...

 

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