Fundamental Constants
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Steeeve
Steeeve is an IT guru
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PHYSICS
Fundamental Constants
Fundamental Physical Constants
The universe’s unchanging numbers reveal hidden symmetries beyond human measurement
9 Feb 2026
0
Why are dimensionless fundamental physical constants considered more universal than constants with units?
Because their values do not depend on the system of units used, reflecting intrinsic properties of nature.
Because they change depending on the measurement system, allowing flexibility in physical theories.
Because they are arbitrarily chosen by scientists to fit experimental data.
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FordMotor
Ford makes good cars for great people. This is the page for our new F1 team.
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PHYSICS
Fundamental Constants
Speed of Light
The speed of light is a universal constant and the ultimate speed limit in the universe
4 Feb 2026
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Why is the speed of light considered the ultimate speed limit for information and matter in the universe?
Because the speed of light changes depending on the observer's motion, limiting how fast things can move.
Because according to relativity, no object with mass can reach or exceed the speed of light, and information cannot travel faster than light.
Because light is the fastest particle in the universe, but other forms of energy can exceed its speed.
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JAG_GUY
Jaguar Enthusiast Par Excellence who writes about car-related topics
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PHYSICS
Fundamental Constants
Speed of Light
The speed of light is a universal constant defining the ultimate speed limit in the universe
28 Jan 2026
0
Why is the speed of light considered the ultimate speed limit in the universe?
Because light is the fastest particle known, but other particles can exceed its speed under certain conditions.
Because no information, matter, or energy can travel faster than light in vacuum, ensuring causality and the structure of spacetime.
Because the speed of light varies depending on the observer's velocity, limiting how fast things can move.
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