https://altsql.com/tags/cold-chain/ Recent content in Cold Chain on AltSql.com Hugo en-us Sun, 27 Sep 2026 00:00:00 +0000 https://altsql.com/cold-chain-case-study-truck-logger-records-a-51-minute-excursion-with-no-coverage/ Sun, 27 Sep 2026 00:00:00 +0000 https://altsql.com/cold-chain-case-study-truck-logger-records-a-51-minute-excursion-with-no-coverage/ <p>Medicines and fresh food travel in refrigerated trucks, and many loads must stay between 2 and 8 °C for the whole trip. When the cooling fails, somebody has to know how long the load was warm and how warm it got, even if the truck is nowhere near a mobile signal at the time. In the Alpha demo a logger inside the load keeps that record itself. It runs the AltSql engine on 512 KB of flash with 920 bytes of engine RAM.</p>