Andy Resnick's latest activity

Skarnoid or Foid-bearing Alkali-feldspar Trachyte (?), Fen Complex. Honestly, I am not sure if this is an igneous or metasomatic rock...

Thanks to everyone for the replies, let me address them: Apparently, I grossly overstated the (maximum) contamination level-...

There has to be a simple way to calculate this, I just don't have a clue how. The setup: I'm teaching cell culture methods to some...

That's a great tip! I didnt know this 'trick'- so easy, thx!

@ more interesting (to me) bird photos: 1) This grackle was oriented 'just so' to both sun and camera to enable a decent in-focus shot...

Non-bird/critter related Nebraska pics, part 1. I'll start with a series of photos I took from the passenger seat of a car while diving...

A very cool shot!

Some (manual focus) bird photos @ 400mm, f/5.6, 1/640s: Grackles: Like @collinsmark, I tried to show the iridescent feathers...

Back to the Nebraska bird pics (round #2). Figure 11. A couple of common grackles (Quiscalus quiscula). Here you can see their colors...

I took this photo about two weeks ago. A pair of mallard ducks had been swimming around in front of my house. Then I started seeing...

[2/2] One more post of pics from the vigil. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17...

Our 5-year old goofball named "Bruce" aka "Brucifer" aka "Bruce the Goose" aka "Buxton Fatty Boom-Boom" (his official AKC name):

This next sample demonstrates how much I have learned during this 'experiment'- there is no way I would even have attempted this back...

For this image, the main deficiency (IMO) is where focus has been placed. I would have expected it at the group of black keys in the...

Since you are soliciting feedback... I have some (hopefully) helpful suggestions/comments for these three. The middle (color) image is...