Domain Arrivals
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Featured in Domain Arrivals · 2026-08-18

PowerFET Lab’s Browser-Side Loss Calculator

powerfetlab.com ↗ · Useful Tools · score 82.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free MOSFET and power-converter calculator that estimates losses, ripple, waveforms, thermal behavior, and resonant-tank performance from user-entered design values.

Why it surfaced

PowerFET Lab keeps the engineering visible: users can inspect equations, per-device losses, design checks, parameter sweeps, Monte Carlo results, and CSV or PDF exports. It runs calculations in the browser, makes no-upload claims, and clearly labels its idealized waveforms and estimates as screening tools rather than substitutes for datasheets or measured hardware.

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The Plotter’s 09:30 Shift

August 18’s newborn domains include an obsolete pen plotter clocking in at 09:30, emergency warnings designed for sight, touch, or hearing, a funeral-folder tool calibrated for printer drift, and photographs of Colombian rental signs turned into a housing map.

This is one of 1,000 discoveries in the 2026-08-18 Domain Arrivals issue.

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Program.Memorial, for the forty funeral folders you need at 9pm program.memorial

A free service-folder designer for funeral homes that creates print-ready programs, prayer cards, bookmarks, podium copies, and easel signs on ordinary letter paper.

 Ritournelle, a Pokémon sound-system laboratory ritournelle.stream

A browser audio tool that recombines the music of Pokémon Émeraude and Rouge Feu, letting one game's compositions play through the other's instruments.

 EqualSplit’s $79 Timing Gates equalsplitshop.com

A student-run nonprofit sells portable LiDAR sprint-timing equipment for athletes, coaches, and underfunded programs.