Ingenious ideas that solved difficult problems. Explore what made them work.
The full archive, in the appEconomists fixed Indonesia's leaky $1.5B rice program with postcards telling recipients exactly what they were owed — information as bargaining power.
Read the caseDara Oladosu's Quoted Replies bot surfaced every quote of a tweet on demand; 25.9M impressions later Twitter shipped the feature and credited him.
Read the caseAn Edinburgh designer flipped water-resistance into water-reactivity — a dog-waste bag that dissolves when wet, because poo bags can never be recycled.
Read the caseIn a 10-week trial on 1,653 Snapshot customers, anonymized peer leaderboards with points lost for backsliding cut handheld use 27.6% - and the effect persisted.
Read the caseSpencer Silver's weak microsphere adhesive sat unused until Art Fry's falling hymnal bookmarks gave it a job: stick, peel, restick, no residue.
Read the caseA roboticist reverse-engineered Apple's glue-sealed AirPods Pro case, open-sourced the housing and sells a CHF34.90 PCB that swaps Lightning for USB-C.
Read the caseDusting off SARS-era protease work gave Pfizer a target with no human analogue, and oral dosing set the pill apart from IV antivirals.
Read the casePerplex City sold ranked puzzle-card packs in shops to bankroll an alternate-reality hunt; 50,000 players chased a £100,000 cube buried in an English wood.
Read the case'Venture capital as a service': Pegasus manages about $600M across 23 funds, 20 of them owned by single corporate LPs, at arm's length from startups.
Read the caseParsely games and MS Paint Adventures solved text-adventure parsing by putting a human in the engine; Homestuck reached 4,100 pages.
Read the casePoints earned for sustainable choices unlock experiences normally reserved for Palauans and their close friends — access money cannot buy.
Read the caseEmployees earned $5 off their deductible per workout and paid $5 more per miss, turning a flat deductible into an incentive that moves with behavior.
Read the caseFree Misfit bands, algorithmic daily step goals, $1 per hit day cashing out at $20 — after a $20 flu-shot offer made members 2.5x likelier to get vaccinated.
Read the caseNYC's first analytics director ranked illegal-conversion complaints by fire risk; vacate orders jumped from 13% of inspections to over 70%.
Read the caseIn a NHTSA-funded proof of concept, drivers lost 3–6 cents of a weekly $25 prize for speeding — and the worst violations were almost eliminated.
Read the caseA wind-turbine-charged mechanical rover that flashes data home with a radar reflector — trading bandwidth for weeks of life where electronics die in minutes.
Read the caseMonths of hand-screening excipients hit a wall; an algorithm built for tiny datasets found FDA-approved ratios that keep LNP vaccines stable without freezing.
Read the caseMIT CSAIL, Google and Northeastern paired a 3D generator with an LLM so edits happen in latent space — novices caught and fixed flawed prints 90% of the time.
Read the caseAt Royal McBee, programmer Mel hand-placed drum instructions against read-head timing, used opcodes as constants, and out-ran the optimizing assembler.
Read the caseA donor-backed guarantor promised BASF a minimum order of next-generation mosquito nets for four years; in exchange prices fell by two-fifths.
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