What Is the Electric Constant and Why Should You Care?
Briefly

The electric constant, or k, is essential for understanding the forces between electrical charges, which fundamentally structure matter. This constant, along with others like the speed of light and gravitational constant, are measured yet not theoretically derived. Their specific values are pivotal in creating a universe capable of supporting life. The interaction between charged particles, namely electrons and protons, forms molecules; without that interaction, matter would not exist as it does, resulting in a primordial universe instead of our structured reality.
The electric constant is crucial for calculating forces between electric charges, making it fundamental to the structure of matter and the universe as we know it.
Without the electric force, the universe could not support life, as matter relies on the interaction between charged particles to form molecules.
Read at WIRED
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