Insight by History
Spending public resources on citizens weakens a ruler's hold because each unit spent on public goods is one less available to buy loyalty, enabling rivals to lure away supporters by promising the same benefits.
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See all →Transformers change voltage levels by electromagnetic induction: a changing voltage in the primary coil creates a changing magnetic flux that induces a proportional voltage in the secondary coil based on their turn ratio.
Brewed tea became an artistic medium because the drink's foam provided a temporary surface artists could draw on, turning the beverage itself into a canvas for elaborate images.
Having millions of consumers on the same grid smooths demand because aggregating many independent loads averages out individual ups and downs, reducing overall volatility.
A ruler's real power comes from getting others to act on their behalf because one person cannot perform tasks like building, law enforcement, and defense, so control over those who execute those functions translates into authority.
City-size distributions follow a Zipf-like rank-size pattern because billions of independent location decisions aggregate into a stable mathematical distribution, suggesting cities emerge from decentralized choices rather than top-down planning.
Complex tax codes and targeted laws persist because legislators design rules to transfer benefits to pivotal voting blocs, so policy complexity often reflects electoral payoff calculations rather than neutral public-purpose reasoning.
Transformers can't work with DC because they require a changing current to produce changing magnetic flux; steady DC creates no changing flux and therefore induces no secondary voltage.
In democracies, politicians reward voter blocs rather than individuals because winning requires mobilizing identifiable groups, so policies and subsidies are tailored to deliver group-specific benefits that secure votes.