Numlock News: September 6, 2019 • Sunlight, …

By Walt Hickey The back-to-school sale ends today! Best deal of the year, with 30% off a paid subscription for your first 12 months. You’ll support the newsletter and get a neat Sunday edition too. Klabautermann A seabed observatory full of equipment designed to monitor the state of the Baltic sea has up and disappeared. The environmental monitoring station, worth about

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