Activation Energy: Favourable Is Not the Same as Likely
Paper on a table will not burn, though burning releases energy. Something has to supply the initial push — and most stalled intentions are barriers, not disagreements about value.
Concept
Entropy
Half-Life: Why the Last Bit Takes So Long to Go
An afternoon coffee still has an eighth of its caffeine in you the next morning. Anything that loses a constant proportion per period behaves this way — including skills and knowledge.
Compound Interest: The Pond Was Empty Until It Wasn't
A lily pad covering a pond on day thirty covered half of it on day twenty-nine. Nothing about its growth changed — only the base it grew from. Human intuition fails at this reliably and expensively.
Entropy: Why Order Is Always the Expensive Option
A bicycle left in a field rusts; a rusted bicycle never un-rusts. That asymmetry governs warehouses, codebases, and institutions just as strictly as it governs steel.