Energy is the fundamental property of all objects in the universe. Energy can be transferred and transformed, but never created or destroyed.
Common forms of energy include: Kinetic energy of a moving object, the radiant energy carried by light, the potential energy stored by an object’s position in a force field (gravitational, electric or magnetic), elastic energy stored by stretching solid objects, chemical energy released when a fuel burns, and the thermal energy due to an object’s temperature.
Mass and energy are “equivalent” (mass-energy equivalence), but not exactly the same thing. Energy and mass can be converted into each other mathematically, and conserved as each other physically.
All things in the universe, especially living organisms and systems, require energy. A good example of how energy fuels the universe being that humans get energy from food (calories).
Factoids tagged with "Energy"
All elementary particles exhibit wave-particle duality, acting as both a particle and a wave.
The Bohr model of the atom (1913), the one that looks like a solar system, has been replaced by the more accurate Quantum Model of the atom since 1927.
Planck units, based on the reduced Planck constant (ℏ) and Planck constant (h), represent the smallest measurable units in the physical universe.
The standard model of particle physics shows how the elementary particles interact via the four forces to create the physical universe.
Both animal-derived and plant-derived food production has consequences, but meat production is worse for the environment in most cases.
To quantize is to restrict something to a set of values. In digital music notes can be quantized to beats, in physics energy is quantized energy states.
Blog Posts tagged with "Energy"
“Light” is a particle (photon), that acts like a wave, and is understood as a localized vibration in the electromagnetic field.
There are two types of waves: mechanical waves like sound that must travel through a medium like air, and electromagnetic waves like light that don’t.
We explain the standard model of particle physics in simple terms for non-experts using videos, facts, and bullet points.