collinsmark's latest activity

Should the limit not be negative infinity?

Least favorite title for an IT book: " A Crash Course in Operating Systems".

When you can't find a groundhog.

I forgot what I'd done with my boomerang, but then it hit me.

It's time to vote for the Wildlife Photographer of the Year, People's Choice Awards...

Happy Groundhog Day 2-2-26. The above is a photo of the snowman that I have in my backyard. It now measures about one inch over 4'0"...

The snow and cold have been unrelenting here as well- the landscape is bleak and desolate :) 15mm f/2.8 shot @ f/11, 10s auto ISO...

Yes, I've seen some videos of the derailment. Pretty stunning. The locomotives stayed on the trestle. I hadn't seen that video, but I...

TIL that some railroad companies use "road slugs" -- locomotives without diesel engines. The road slug relies on the generator of its...

I wasn't sure where to put this one, but I put it here... (I thought about posting in the Favorite Songs thread, but this is a sketch...

Good thing we weren't planning to go anywhere this weekend.

Gosh, those are gorgeous! :kiss: I particularly liked photo 2; with some graphics edits I think it could become a really nice abstract...