Insight by History
To effect political change you must obtain power because only those who control institutions and resources can allocate funds, change rules, and enforce decisions, so intentions without power remain ineffective.
Every card on Korva is an insight someone saved from a podcast or video they loved.
More from @history's Picks
See all →Transmission voltages are stepped up at power plants because higher voltage carries the same power with lower current, which reduces resistive (I²R) losses over long lines.
More democratic systems tend to have lower average tax rates because broad citizen participation and many low- or non-taxpaying voters reduce average burdens, whereas autocrats can impose higher effective takes on productive citizens.
AC is used across the grid primarily because its alternating polarity lets transformers change voltage levels, enabling step‑up for efficient long‑distance transmission and step‑down for safe local use.
Welfare policies can weaken family formation because benefits that reward single-parent status or penalize cohabitation create incentives for people to divorce or avoid marriage to secure aid.
Firms cluster together because proximity lowers coordination friction with suppliers, competitors, and complementary firms, which makes collaboration and operations faster, cheaper, and more efficient.
A democracy becomes vulnerable to seizure when it grows very poor or a huge resource is discovered because the expected rewards from controlling the state spike, changing backers' calculations and making a small organized group's gamble more attractive.
Balancing supply and demand is difficult because many large generators take hours to days to start or stop, so operators must plan dispatch and rely on faster, flexible resources to follow rapid load changes.
Controlling the treasury is central to holding power because rulers must use state funds to reward key supporters, and without command of those funds they cannot sustain the coalition that enforces their rule.