The Evolution of Useful Things A Book by Henry Petroski Here, then, is the central idea: the form of made things is always subject to change in response to their real or perceived shortcomings, their failures to function properly. This principle governs all invention, innovation, ingenuity. Spike and sponShaped and reshapedForm follows failureTheir wrongness is somehow more immediateA small corner of the world of things+23 More The evolution of devices formfunctioninventionprogressfailure
Micromorts A Definition by Matt Webb interconnected.org There’s a standard way to understand the relative danger of any activity. A micromort is "a unit of risk defined as one-in-a-million chance of death." For example: skydiving is 8 micromorts per jump running a marathon: 26 micromorts 1 micromort: walking 17 miles, or driving 230 miles Generally being alive averages out at 24 micromorts/day. deathchance