Ptarmigan Clockworks
Startup · Colorado, United States
Autonomous optical clock startup from CU Boulder/NIST research; NVC 2026 third place and 2026 LVC finalist.
Recent activity confirmed, checked October 5, 2026.
In context
Ptarmigan Clockworks is one of 1,456 startups in the United States listed in the Innovative EcoSystems registry.
Startups are young companies building new products or business models.
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