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Smart Home Explainer
Navigation is the one robot vacuum spec that changes the shape of the machine. Here is how LiDAR, time-of-flight sensing and camera recognition differ…
Energy and Sustainability Explainer
A 2022 box and a 2026 box can describe the same machine with different numbers. What DOE changed in the test procedure, why HSPF2…
Energy and Sustainability Explainer
A heat pump water heater that runs on an ordinary 120-volt circuit now has its own ENERGY STAR criterion, five years before the amended…
Small Business and Side Hustles Explainer
Postal packaging standards are specific about tape: 2 inches wide, 60-pound kraft for paper tape, a 3-inch overlap for gummed tape, and no cellophane…
Hobbies and Crafts Explainer
Two federal price measures tell opposite stories about craft supplies in 2026. One tracks what you pay, the other tracks what it costs to…
Auto and EVs Explainer
Two federal incentives behind home EV charging have lapsed. Here is the running-cost math at 18.34 cents a kWh against $4.48 gasoline, and when…
Beauty and Grooming Explainer
The first federal count of PFAS in US cosmetics landed in December 2025: 51 ingredients, 1,744 formulations and incomplete data on most of them.…
Health and Wellness Explainer
Every earplug package in the US carries a Noise Reduction Rating because a 1979 EPA rule says it must. The test behind it is…
Home and Kitchen Explainer
Cheap fabric and wood drawer units are being recalled at many times the 2024 rate. The federal stability standard that they fail is specific,…
Smart Home Explainer
A federal hazard rule pushed cords off the shelf, and Matter 1.5 added a closures model in November 2025. What actually changed for anyone…
Aging and Accessibility Explainer
Every ramp listing quotes 1:12. That number comes from section 405 of the ADA Standards, written for storefronts. Here is how it translates to…
Creators and Content Explainer
US rules limit unlicensed wireless mics to TV band channels and two narrow slivers. What is legal, what became unusable in 2020, and what…
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