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A thick mat of soft grey clothes-dryer lint held in warm window light against a dark laundry room, with a small orange ember glowing at one edge and a thin wisp of smoke rising, showing how easily fine lint ignites.
Fire in Daily Life

Dryer Fire Science: The Physics of Why Lint Ignites

A dryer fire almost always starts with lint. Here is the surface-area physics that turns soft fluff into fast fuel, plus the simple habit that prevents it.

June 5, 2026 · 6 min read
Wide cinematic cutaway photograph of a tall office tower at night under a deep-blue winter sky with snow blowing past lit windows; inside, a single illuminated emergency stairwell runs the full height of the building like a glowing vertical spine, with faint pale arrows of rising air suggesting stack effect drawing upward through the shaft — calm, architectural documentary framing that shows why a stairwell pressurization system behaves so differently on the coldest night of the year
Fire Safety Engineering

Stack Effect: Why Stairwell Pressurization Fails in Winter

On the coldest night of the year, stack effect can reverse a stairwell pressurization system and pull smoke into the stairs occupants flee through.

May 29, 2026 · 10 min read
Wide overhead photograph at dusk of a low-rise New York City brownstone vestibule with a beat-up delivery e-bike leaning against the iron handrail of the front stoop; a single bright orange ember glows on the taped-up battery casing while a delivery rider in a quilted jacket walks past on the sidewalk — calm, unstaged street-level framing showing exactly where lithium-ion battery fires actually start, in residential entryways and stairwells of low-rise New York City buildings rather than open garages
Battery Fire Safety

NYC's 2023 Battery Fires: 268 Incidents, 18 Deaths

In one year, New York logged 268 lithium-ion battery fires and 18 deaths from e-bikes and e-scooters — and rewrote micromobility safety law.

May 23, 2026 · 15 min read
Wide overhead photograph of an open multi-storey car park at dusk with a single white electric crossover parked in a marked EV charging bay glowing under a soft blue LED sign that reads CHARGING — beside it sit two ordinary silver and red gasoline sedans; a gentle wisp of pale white vapour curls from the rear wheel arch of the EV while the petrol cars sit silent — the calm neutral framing emphasises that EV fires happen far less often than gas car fires yet remain operationally harder to fight
Battery Fire Safety

Are EV Fires Really More Common Than Gas Car Fires?

Across U.S., Swedish, Australian, Norwegian and Polish data, EV fires happen 20 to 80 times less often than gas car fires per registered vehicle.

May 15, 2026 · 9 min read
Modern fire-safety engineer's office at golden hour with a wall-mounted F-N curve chart — red intolerable zone above a downward-sloping diagonal, amber ALARP carpet in the middle, green broadly acceptable zone below, dotted plant curve descending through the carpet — and an engineer's hand pointing at the chart with a red marker
Fire Risk Assessment

F-N Curve and Societal Risk: Drawing the Line on Safety

An F-N curve maps the societal risk a regulator will tolerate. Here is the math, the slope, the ALARP carpet, and where each sector draws the line.

May 8, 2026 · 10 min read
Side-by-side fire-safety laboratory thermal-runaway test on a clean white background — left: a single cylindrical green LFP 18650 cell on a stainless-steel rig venting a slow controlled plume of pale grey smoke from its scored positive vent with only a small dim flame, instrumented with thin K-type thermocouple wires; right: an identical purple-cased high-nickel NMC 18650 cell undergoing violent thermal runaway, ejecting a powerful directional jet of bright yellow-orange flame and white-hot sparks straight upward inside a turbulent black-edged smoke plume, casing visibly bulging
Battery Fire Safety

LFP vs NMC Battery Safety: Why Chemistry Decides Fire Risk

LFP vs NMC battery chemistry sets the fire risk before any vent opens. Here is why one chemistry burns hotter, vents more gas, and explodes more often.

May 2, 2026 · 10 min read

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