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Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Unlocking the secrets of supercritical fluids

A team of international researchers has measured the molecular diffusion coefficient of a supercritical fluid, revealing a gradual transition from gas-like to liquid-like behavior across the Widom line. This study contributes to our understanding of supercritical fluid dynamics and holds implications for planetary science.

SourceInstitut Laue-Langevin·JournalNature Communications·TypeExperimental study·DateMay 22, 2024

New way to preserve wood

Researchers at CSIRO Australia have developed a new preservative treatment method using supercritical carbon dioxide, which penetrates wood more effectively than conventional techniques. This process offers environmental and economic benefits, including reduced capital costs and no residual solvent problems.

SourceCSIRO Australia·DateJan 7, 2001

Researchers turn carbon dioxide into gel

A Yale research team has successfully turned supercritical carbon dioxide into a gel form, which could be used to extract oil from the ground instead of water. The new process is less expensive and more environmentally friendly than traditional methods.

SourceYale University·JournalScience·DateNov 17, 1999
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Successful 'Green' Solvent Found For Problematic Chemicals

Researchers at University of Notre Dame and Pittsburgh have successfully developed a new process to separate problematic chemicals from ionic liquids using supercritical carbon dioxide. This environmentally benign solvent eliminates the need for distillation, which is impractical with low-vapor-pressure compounds, and can effectively r...

SourceUniversity of Notre Dame·JournalNature·DateMay 6, 1999