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  1. Question about long-term storage of blue sphere silica gel

    Jun 8, 2023 · The discussion centers on the long-term storage of blue sphere silica gel, specifically regarding its transition to pink when saturated and whether it could leak water. It …

  2. Free fish become data for college degree - Geophysical Institute

    Jun 26, 2025 · A steady flow of twenty-somethings wearing jeans and backpacks entered a room that smelled slightly of fish. They sat down in front of paper plates holding three helpings of …

  3. Please explain this laser phenomena - Physics Forums

    Jul 1, 2016 · The discussion revolves around the unexpected color change observed when a green laser pointer is aimed at a pink highlighter, producing a yellow dot instead of the …

  4. Why does a Walrus Blush? | Geophysical Institute

    Nov 6, 2025 · 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 …

  5. Random Photos | Page 61 • Physics Forums

    Aug 8, 2025 · The discussion revolves around a variety of photography topics, showcasing personal photos and experiences from different locations, including Ko-Larn Island, Central …

  6. Ice Worms | Geophysical Institute

    Nov 6, 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 …

  7. Sodium vapor lamps - how do they work • Physics Forums

    Aug 30, 2005 · I don't quite understand the explanation at wiki; when the lamp is turned on it emits a dim red/pink light to warm the sodium metal and within a few minutes it turns into the …

  8. Poker Flat to launch three NASA rockets in single aurora experiment

    Pink, blue and white vapor traces should be visible from the third rocket for 10 to 20 minutes. Launches must occur in the dawn hours, with sunlight hitting the upper altitudes to activate the …

  9. Smallest energy we can measure • Physics Forums

    Jun 21, 2021 · The discussion centers on the practical limits of measuring small energy differences between two closely spaced energy levels in a laboratory setting. It highlights that …

  10. What's Really in Colored Printing Inks? | Geophysical Institute

    Nov 6, 2025 · Newspapers often serve a second life after their initial purpose of spreading the news is over: rolled into fireplace logs, spread as mulch on the garden, or as an absorbent mat …