Louisville rerouted stormwater to idle pipes, saving $200M
Louisville MSD and Tetra Tech used real-time control to reroute stormwater to idle pipe capacity, saving $200M in construction.
Lire le casDes idées ingénieuses face aux difficultés. Découvrez pourquoi elles ont fonctionné.
Toutes les archives, dans l’appEn l’absence de traduction, les fiches renvoient au texte original publié et conservent sa langue.
Louisville MSD and Tetra Tech used real-time control to reroute stormwater to idle pipe capacity, saving $200M in construction.
Lire le casEdward Loure's UCRT secured Maasai land with communal CCRO titles, avoiding fragmentation.
Lire le casDanish dairy cooperatives pooled into one legally registered, quality-policed export brand to fight counterfeiters.
Lire le casVodafone and Safaricom, seeing pilot users turn airtime into currency, rebuilt their microloan tool into M-Pesa, a direct cash transfer system.
Lire le casPaul MacCready won the human-powered flight prize by building a flimsy plane that was cheap to crash and fast to rebuild, enabling hundreds of test flights.
Lire le casMaghribi traders deterred cheating agents by collectively boycotting anyone accused, making silence complicity.
Lire le casMalian cotton farmers got a village-level insurance trigger using yield data the cotton buyer already recorded, cutting false negatives from 45% to 7%.
Lire le casIn 1346, cash-poor Genoa paid its fleet's financiers by granting them rights to govern and tax Chios, which they ran profitably for two centuries.
Lire le casMaxwell House gave away a free Haggadah with every can of coffee, embedding the brand in the Passover Seder ritual.
Lire le casMaxwell and Thomson defined the ohm as a repeatable spinning-coil experiment, so any lab could derive it without a master artifact.
Lire le casMcDonald's, cash-poor from thin royalties, had Sonneborn buy land under each franchise and sublease it back at a markup, gaining steady rent and eviction power.
Lire le casMCI turned a two-city private line permit into a long-distance service by adding a dial tone, forcing courts to rule on the text.
Lire le casA Crusader can't legally protect land he leaves behind, so English courts invent a second kind of ownership to fix it
Lire le casOttmar Mergenthaler's Linotype cast fresh type lines from reusable matrices, eliminating manual distribution and outpacing composition-only machines.
Lire le casResearchers added a line asking employees to write when they'd get a flu shot, lifting vaccination rates by 4 points.
Lire le casCongress replaced the flawed Heard Act with the Miller Act, requiring contractors to post payment bonds so subs could claim against a surety.
Lire le casErnest Moench built a tufting machine from scratch, avoiding sewing machine limits, and his 1928 patent was cited for decades.
Lire le casWhen the Muscovy Company's Arctic search failed, it redirected pooled capital to the Russia trade it found, becoming a permanent joint-stock firm.
Lire le casmyAgro sold seed via scratch cards, letting farmers save small amounts through vendors they already trusted.
Lire le casCensorship policed a category — dissent. Art exhibits sat just outside it, and could still carry the exact thing dissent would have said: the cost of the dam.
Lire le cas