Pink salmon — too much of a good thing? - Geophysical Institute
Jun 14, 2018 · Pink salmon born in hatcheries, where professionals harvest eggs from wild salmon and rear them in captivity before releasing them in the ocean, have doubled in numbers since 1990. …
Laptop screen flickering/moving up and down with pink tint
Sep 27, 2022 · The discussion revolves around a laptop screen issue characterized by flickering, movement up and down, and a pink tint. Participants explore potential causes, including hardware …
Why Does the Pink Color in a Titration Fade Over Time?
Jan 31, 2005 · The discussion revolves around the fading of the pink color produced by phenolphthalein during a titration over time. Participants explore various chemical processes and factors that may …
What do the blue and pink color of the rust indicator shown mean?
Oct 12, 2014 · The discussion revolves around the interpretation of color changes in a rust indicator composed of potassium hexacyanoferrate (III) and phenolphthalein when applied to an iron nail. …
Creating Pink Sterling Silver: Chemistry and Heat Treatment Explained"
Sep 15, 2009 · The discussion centers on methods to create a pink hue in sterling silver, exploring both chemical adjustments to the alloy and potential heat treatment techniques. Participants consider the …
Why does a Walrus Blush? - Geophysical Institute
5 days ago · The skin of walruses becomes pallid when it is exposed to cold air or water and changes to pink when exposed to warmer ambient temperatures. This color change may indicate that the …
Why Choose Phenolphthalein Over Bromothymol Blue for Equivalence …
Jul 28, 2005 · In contrast, phenolphthalein, with a transition range of pH 8.3 to 10.0, offers a more definitive color change from colorless to pink, allowing for more consistent results. The discussion …
Sodium vapor lamps - how do they work • Physics Forums
Aug 30, 2005 · Sodium vapor lamps operate by heating sodium metal until it vaporizes, emitting a bright orange/yellow light as the sodium gas glows. Initially, the lamp emits a dim red/pink light while …
Ice Worms | Geophysical Institute
Dec 11, 2025 · Ice worms eat airborne pollen grains, fern spores and the red algae that lives in snow and sometimes colors it pink. Unable to exist at temperatures much below freezing, ice worms must …
Understanding FTIR Peaks of PO4 Compounds • Physics Forums
Apr 14, 2017 · The discussion focuses on the interpretation of FTIR (Fourier Transform Infrared Spectroscopy) peaks for PO4 (phosphate) compounds. It establishes that multiple peaks at different …