The perfect solution for physics students and teachers everywhere, Physics 101 SE is the premier physics calculation tool, allowing you to focus on physics and not mathematical busywork by working with over 150+ equations and other features such as:1) 150 Physics Equations organized in twenty three sections2) Abbreviation Lookup3) Free Body...

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In cosmology, dark energy is a hypothetical form of energy whichpermeates all of space and has strong negative pressure. According tothe theory of relativity, the effect of such a negative pressure isqualitatively similar to a force acting in opposition to gravity atlarge scales. Invoking such an effect is currently the most popularmethod for...

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