collinsmark's latest activity
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collinsmark replied to the thread Random Photos.Yes, but apparently of an all-natural variety. "The rainbow sheens found as a thin film on top of pooled water in swamps and marshes are... -
While passing through Huntington, Indiana, I visited the Quayle Vice Presidential Learning Center, named for Dan Quayle, vice president...
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Bow Sonar Sphere of a Seawolf class nuclear submarine.
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collinsmark reacted to Andy Resnick's post in the thread Our Beautiful Universe - Photos and Videos with
Like.
Since I'm not willing to chop down trees to increase my field of view, the only thing I could image for the past month has been M27... -
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Driving through Indiana on my way home from Chicago last week: A photo postcard of this wreck, from my collection:
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collinsmark reacted to Astronuc's post in the thread News BITCOIN, Heists, Thefts, Hacks, Scams, and Losses with
Wow.
The electric scooter sharing scam that fleeced millions of dollars from Americans... -
Cat gestation is about two months. Typical birth weight is 100g and a standard growth curve is linear at 100g/week for the first couple...
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Pretty artistic cat photo in my FB feed today... :smile:
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Solar panel emulator with power supply, 12VDC LFP battery bank and 2000W sine inverter for load testing Working on my home energy...
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collinsmark replied to the thread Share Animal Pictures: For Animal Lovers.I don't know for certain, but I suspect it's something viewed edge-on (cylinder-esque).
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collinsmark reacted to berkeman's post in the thread Share Animal Pictures: For Animal Lovers with Like.
Dat's not a peanut. Looks like a sparkle ball to attract the birds?