Home Tech
A dishwasher does not scrub, it dissolves
The spray is only a delivery system. The actual cleaning is done by heat, alkalinity and enzymes working on food that has been left…
Home Tech
Appliances, sensors, smart home kit and the standards fighting over your house.
21 articles · updated August 11, 2026 · page 2 of 2
Home Tech
A dryer that runs cooler finishes cheaper
Evaporating water takes a fixed amount of energy. The only real question is whether the machine throws that energy away or uses it…
Home Tech
A dehumidifier heats the room it is drying
Every watt it consumes ends up as warmth in the same space, and the water in the tank arrived by being chilled below its dew point.
Home Tech
Suction is airflow, and the filter decides how much of it you get
Two different measurements get called suction, they trade against each other, and the one that matters changes with what you are…
Home Tech
How a kettle knows the water boiled without measuring the water
Nothing inside is watching the temperature of the liquid. A strip of two metals is watching the steam, and that turns out to be…
Home Tech
How a filter catches particles smaller than the gaps in it
A high efficiency filter is not a sieve. Four different physical effects capture particles, and the hardest ones to catch sit in…
Home Tech
Why a doorbell camera catches people leaving and misses them arriving
A battery-powered camera spends most of its life asleep, and waking up, connecting and starting to record takes longer than a…
Home Tech
An oven set to one temperature spends its time above and below it
The dial does not hold a temperature. It switches a heater on and off around one, and the swing is wider than most recipes assume.
Home Tech
How an infrared remote shouts a number at the whole room
It does not aim, it does not connect and it never receives an answer. It flashes an invisible code and hopes something is listening.