Torx, 1967: the screw head that stopped cam-out once drivers could limit torque
Camcar Textron's six-lobed drive removed the Phillips screw's built-in slip — vertical sidewalls killed cam-out, and assembly lines followed.
事例を読む難題を解いた独創的なアイデア。その仕組みを探ります。
全アーカイブはアプリで記事は英語と簡体字中国語で提供しています。以下のタイトルと本文は公開時の言語のままです。
Camcar Textron's six-lobed drive removed the Phillips screw's built-in slip — vertical sidewalls killed cam-out, and assembly lines followed.
事例を読むFive years after the 2017 unveil, Tesla's 500-mile semi went to work hauling Frito-Lay 425 miles, backed by four 750 kW chargers per depot.
事例を読むJohn Adams saw free bandwidth hiding in every TV signal's blanking interval; Ceefax and Oracle rode it, then merged formats into the world teletext standard.
事例を読むTaiwan paired ID-card purchase limits with open inventory data; volunteer maps routed buyers while output ramped from 7 to 13 million masks a day.
事例を読むA seed company turned South America's later season into an option: an optimizer sizes the extra planting after US yield risk resolves.
事例を読むIndia broadcast the syllabus instead of waiting for rural broadband: 32 DTH channels from 2016, each day's content replayed six times, free on any dish.
事例を読むTanzania split its first gas chain — field, pipeline, plant in separate hands, transport priced transparently — and cut Ubungo's power cost to $0.064/kWh.
事例を読むA Dutch rehab hospital replaced manual group-therapy timetables with an optimized tactical blueprint that governs daily appointment booking.
事例を読むSEBI converted the world's fifth-largest equity market to next-day settlement cohort by cohort — then to same-day — without waiting for anyone else.
事例を読むTwelve utilities swapped bilateral contracts for a loose power pool: shared data, emergency-energy duties, and capacity you can meet by contracting a neighbor.
事例を読むSabre's pairing optimizer makes crew augmentation a decision variable instead of a fixed input, cutting long-haul crew costs.
事例を読むRwanda paid hillside farmers to terrace, then consolidated plots around one crop per site — yields rose up to 8-fold and commercialization hit 80%.
事例を読むJapan's 1979 contest chose Yukio Ota's green running man; the most thoroughly tested sign beat a Soviet rival to become the world's exit symbol.
事例を読むThe champon chain’s machinery arm turned factory pain — overfilled dumplings, misprinted packs — into Deama, an AI inspector it now sells to other food makers
事例を読むThe virus hid in coverage gaps. India vaccinated every under-five on the same days, caught movers at transit hubs, and let mosques do the persuading.
事例を読むWhile India's power reform fought over generation and distribution, transmission got its own company — and grew to carry a third of national power capacity.
事例を読むFree farm power drained aquifers and discoms alike. KUSUM let farmers sell surplus solar back to the grid, so saving power became income.
事例を読むProduce PLU codes: four random digits plus an attribute prefix, so any register worldwide rings any banana — the code that made self-checkout work.
事例を読むThe PBOC cannot buy equities, so it lent its own balance-sheet quality: brokers and funds pledged shares and ETFs for treasuries they could fund against.
事例を読むMalaysia's organ donation rate is among the world's lowest, so NTRC asked for pledges where Muslims already give: Ramadan's zakat counters, endorsed by muftis.
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