general/physical-phenomena
Surf Wiki
Linearity
Properties of mathematical relationships
Thermoelectric effect
Direct conversion of temperature differences to electric voltage and vice versa
Leidenfrost effect
Physical phenomenon
Spontaneous emission
Quantum mechanical state change
Observer effect (physics)
Fact that observing a situation changes it
Physical change
Change which affects the form of an object/substance, but not its chemical composition
Condensation cloud
Product of large explosions in humid air
Buttered toast phenomenon
Tendency of bread to land buttered side down