An engineer restored dead payphones into free community phones for Vermont dead zones
Patrick Schlott buys secondhand payphones, retrofits them to call anywhere in the US or Canada over one internet line, and covers the cost — 'Netflix money'.
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300 条近期案例 · 持续更新The Universal Anesthesia Machine runs without stable power or oxygen tanks
Designed in Malawi: a compressor makes oxygen from room air, a hand pump and 10-hour battery cover blackouts, and parts come from any auto shop.
阅读案例Germany paid owners above-market to feed solar in — and made panels cheap worldwide
Hans-Josef Fell's law let anyone sell renewable power at a fixed high price funded by a bill surcharge — demand boomed, China mass-produced, prices collapsed.
阅读案例A student flew Newcastle–London via Menorca for £38.48 — beating the £78.50 train
Joe Furness chained two discount flight legs and a £7.50 hire car he slept in, exploiting hub-and-spoke pricing to undercut Britain's rail fares.
阅读案例Fight Health Insurance drafts insurance appeal letters in minutes with AI
Holden Karau's tool turns a denial letter into a drafted appeal — auto-stripping personal data and inferring the diagnosis — in about eight minutes.
阅读案例Fieldston pays for NYC roofs by leasing them for solar — rent paid in a new roof
A 25-year rooftop lease where the rent is a replacement roof: the landlord's worst cost becomes a community-solar site that cuts renters' bills.
阅读案例Czinger's BrakeNode 3D-prints caliper, upright and fluid passages as one part
Topology optimization plus metal laser sintering fuses the brake's three parts into one aluminum node — up to 30% less unsprung mass, easier to service.
阅读案例Student nurses' yellow jug lids flag hospital patients who need fluid monitoring
Six student nurses swapped blue jug lids for yellow on at-risk patients; Sheffield's ward saw a threefold drop in patients at risk of infection and dehydration.
阅读案例The BathMat lets three ICU nurses reposition prone patients where five were needed
An inflatable pillow from University of Bath and RUH Bath cut staff per repositioning from five to three and saved an hour per procedure in a 30-patient trial.
阅读案例Linux deleted a 2002 idle workaround and AMD Zen throughput jumped up to 14x
A pointless 2002 read op meant to help old chipsets sleep was quietly throttling modern Zen CPUs — patching it out lifted minimum throughput 1,390%.
阅读案例United paid its first airline bug bounty in air miles, not cash
United's bug bounty rewards researchers only in air miles — 50,000 for XSS, 250,000 for authentication bypass, and a million miles for remote code execution.
阅读案例PepsiCo heats Belgian homes with vapor from a Lay's chip plant in Veurne
Lay's Factory Home Heating: vapor from frying up to 20 tons of potatoes an hour warms a water circuit that heats Veurne's homes instead of natural gas.
阅读案例Oasense's Reva showerhead goes low-flow only when no one is under it
Sensors cut flow to 15% when you step away to soap up and restore full pressure the moment you step back in — and the water itself powers the device.
阅读案例LNER and Network Rail's AI deer deterrent cut expected track strikes from eight to one
Sound and vision sensors spot a deer walking toward the East Coast Main Line, alarms turn it away, and an AI camera watches until it is safely clear.
阅读案例Kid Rock flooded his tour, ID-locked premium seats, lotteried the best rows (interview)
In a Planet Money interview, Kid Rock describes adding shows to flood the market, ID-locked platinum seating and a lottery for the best rows.
阅读案例A Covid-locked pub served meals for 1p so it could keep feeding people free
Tier-three rules said pubs close unless they serve paid food — so Preston's Ships and Giggles charged one penny and let customers pay what they wanted.
阅读案例ShieldFont swaps words in HTML ligatures so AI scrapers read poisoned text
Looks normal to humans, garbage to LLMs: a typography feature quietly rewrites words in the source code to poison unauthorized AI scraping.
阅读案例Sanford built a hotel on top of its Sioux Falls orthopedic hospital
Sanford's new nine-story orthopedic hospital puts 56 hotel rooms above 12 operating rooms, so rural patients sleep under the same roof before surgery.
阅读案例Thieves hijacked PlusAI's Nvidia-branded trailers and got 20 tons of sand
PlusAI ballasts its autonomous-test trailers with 20,000 pounds of sand to simulate real cargo — thieves who broke one open found silica, not silicon.
阅读案例MIT's PhotoGuard alters pixels invisibly so AI edits of photos fall apart
Immunizing images with imperceptible signals makes Stable Diffusion edits render as gray mush — a shield against nonconsensual deepfakes.
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