The Index
Teardowns, benchmarks, and buying dossiers — latency, fatigue, and strain, measured rather than claimed.
The Index · Video
The Riverholt Index: How We Score Input Bandwidth
Latency, fatigue, and error rate, measured on the same bench every time. Here is exactly how a device earns a number on the Index — and why we won't just take a spec sheet's word for it.
The Index
We Tore Down Six Adaptive Trackballs. One Ran Circles Around the Rest.
Same job, six very different engineering answers. A full teardown of bearing quality, click fatigue, and firmware latency across six adaptive trackballs.
The Index
The Corporate Buying Dossier: Pitching an Ergonomic Stipend to Your CFO
The numbers, the vendor shortlist, and the one-page memo that gets an adaptive-hardware budget approved instead of tabled.
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