Domain Arrivals
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Featured in Domain Arrivals · 2026-08-13

RHKEARTH’s Vector / LF Demonstrator

rhkearth.com ↗ · Developer Corner · score 84.0
○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

An early-stage deep-tech venture exploring compact underwater acoustic sensing and low-frequency direction finding.

Why it surfaced

RHKEARTH presents a browser-based acoustic-contact demonstrator with adjustable frequency, range, bearing, source level, and ambient noise. Its unusually explicit caveats—that the underlying patents are U.S. Navy/NRL intellectual property and that the model is illustrative rather than validated sonar performance—make this a rare, technically ambitious specimen of transparent venture-world positioning.

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Thirty Patents for the Grave

August 13’s newborn domains include 30 safety-coffin patents, lost notices for false teeth and a box of hair, short films playing in 100 Tokyo taxis, and a Queensland river view arranged gauge by gauge downstream.

This is one of 1,000 discoveries in the 2026-08-13 Domain Arrivals issue.

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