collinsmark's latest activity

Nov. 12, 2025 THE STORM IS NOT OVER: Last night, auroras spread across the Americas as far south as El Salvador during a severe...

I love photography and have for years. But I admit that the first time I learned about Robert Cornelius and deguarreotype portraits was...

The first photograph of a human being (Open Culture) https://www.openculture.com/2025/11/the-first-photograph-of-a-human-being-1838.html...

Edit/Adding link to XKCD 2848, "Breaker Box", https://xkcd.com/2848/ from Jonathan below. Thanks Jonathan. :smile:

One more Similan Islands

any gold in those sands? or buried pirate treasure? :) Here's some photos of the high-grade ore samples taken out of the Pine Creek...

Mono Lake to Bishop, CA, 65 miles, has lots of geology. A short N-S tour here. https://en.wikipedia.org/wiki/Mono_Lake map and guide...

A X5.1 on the 11th of Nov (UT) has launched a huge CME directly towards Earth. This has come from the very active AR 4274 which is now...

Specifically for US borders: You could travel between US <==> Mexico or US <==> Canada with just a drivers license (no passport...

What I meant to convey is that languages change over time. Sure you can define your terms for a specific document (as @Nugatory points...

Many legal documents do that. At the beginning of most of my insurance policies there is a section of definitions, stuff like...

I will try to find a way, irregardless ;). Edit: I would use parentheses with my hands at times. Maybe there's some gesture that can be...

Good luck with that, but chances of it sticking are virtually nil (if the past is any indication of the future). Language is chaotic and...

No way. I can't count how many different fonts I have used throughout the years. I have \mathbb{}, \mathcal{}, \mathfrak{}, \mathrm{}...