Tag: Physics of energy

A matter-antimatter annihilation, converting 100% of mass to energy ($E=mc^2$), represents the ultimate theoretical energy density known to physics. This extreme concentration, vastly surpassing all other forms, highlights a complex hierarchy of energy sources across the universe.

Concentrated solar power systems, for instance, use large mirrors to intensify sunlight into a small area, generating high temperatures for electricity production. This exemplifies a fundamental principle: what is the concentration of energy, and how it is a process of intensifying energy content within a specific volume, mass, or area.

Over 90% of a cell's usable energy is produced by its mitochondria during cellular respiration. So, who gives us energy to do work on a macro and micro scale? The answer is a fascinating chain of energy conversions that spans from the cosmos to our dinner plate.