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collinsmark's latest activity
collinsmark
replied to the thread
Random Photos
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... Final post of sister's and brother-in-law's visit, here in San Diego. We spent one day heading down to North Park (a neighborhood...
Sep 30, 2025
collinsmark
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morrobay's post
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Random Photos
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Crabapple tree at Sisters Beach , Lake Superior. From sister in Wisconsin.
Sep 30, 2025
collinsmark
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Random Photos
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Sep 30, 2025
collinsmark
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News
Weird News Compilation
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Sep 30, 2025
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Lovely photos! And I definitely have a thing for old ships, they can be beautiful! :smile:
Sep 30, 2025
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Collection of Lame Jokes
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Sep 29, 2025
collinsmark
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Collection of Science Jokes P2
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I'm not sure if this one has been posted before. It makes me laugh every time I see "Roundy - Roundy"
Sep 29, 2025
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DaveE's post
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Beauty of old electrical and measuring things, etc.
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Perhaps the most risqué HP ad. Circa 1972. I recall this from a poster in the hallway of the Caltech EE building when I was an...
Sep 29, 2025
collinsmark
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nsaspook's post
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Beauty of old electrical and measuring things, etc.
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Sep 29, 2025
collinsmark
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BillTre's post
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Random Photos
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Nice old ship stuff!
Sep 29, 2025
collinsmark
replied to the thread
Random Photos
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... More from my sister's and brother-in-law's visit, here in San Diego. We dedicated much of one day to visit San Diego's Maritime...
Sep 29, 2025
collinsmark
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DennisN's post
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Kitten Lovers: Cuteness Overload
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:smile:
Sep 29, 2025
collinsmark
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Andy Resnick's post
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Our Beautiful Universe - Photos and Videos
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Hot off the press- the International Space Station, as seen from Cleveland, OH (300%): (Nikon D810 + nikkor 800/5.6 @ f/8, 1/2000s ISO...
Sep 29, 2025
collinsmark
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Random Photos
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... Continued from previous post. 'Still at La Jolla Cove for these pics. Figure 1. "Untitled." I like this shot; I think there's...
Sep 28, 2025
collinsmark
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Random Photos
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My sister and brother-in-law came to visit me for a few days in San Diego last week. Good times were had by all. It was also an excuse...
Sep 28, 2025
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