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Floc and Turbulence Studies with LISSTs

August 29, 2024

Sequoia’s Laser In Situ Scattering and Transmissometry (LISST) particle size analyzers have significantly advanced the understanding of flocculation in aquatic environments. Since the mid-1990s, LISSTs have often replaced or supplemented older technologies...

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The history of the O-ring

March 7, 2022

O-rings are so ubiquitous today – at least for all of us building underwater instrumentation for the underwater technology industry – that we generally think of them as something that has always been around. But that is not the case. The other night...

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50th Anniversary of NOAA

October 6, 2020

NOAA, The National Oceanic and Atmospheric Administration was founded in 1970 and thus celebrates its 50th anniversary in 2020. Learn more about NOAA and its story in this almost 200-page anniversary book. As a proud sponsor of the book, you can read...

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Laser Diffraction 201 – LISST

April 15, 2011

How LISST works! [Sequoia, April 15, 2011] 1. The Ring Detector 2. How Particle Sizes and Measurement Angles are Selected 3. Origin of the Matrix Formulation – It’s just algebra 4. Inversion of Data – the Information Content...

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