Mark Rutkowski
@mark--r.bsky.social
Retired technology professor interested in STEM subjects, cycling, wildlife and more.
Juvenile bard owl seen at Corkscrew Swamp Preserve in Florida.
May 29, 2025 at 1:28 AM
Juvenile bard owl seen at Corkscrew Swamp Preserve in Florida.
SOMA Night Lights Fire Show in Wilkes-Barre last night.
April 26, 2025 at 11:29 AM
SOMA Night Lights Fire Show in Wilkes-Barre last night.
April 13, 2025 at 12:53 AM
March 25, 2025 at 9:30 PM
Skiing today in 65F temps. I think this is the warmest day I have ever skied.
March 11, 2025 at 10:01 PM
Skiing today in 65F temps. I think this is the warmest day I have ever skied.
Philadelphia Flower Show 2025
March 9, 2025 at 1:22 AM
Philadelphia Flower Show 2025
February 9, 2025 at 7:04 PM
Buttermilk Falls- Luzerne County, PA totally frozen. I am enjoying viewing frozen falls this winter.
January 25, 2025 at 12:32 AM
Buttermilk Falls- Luzerne County, PA totally frozen. I am enjoying viewing frozen falls this winter.
January 2, 2025 at 12:20 AM
Just a couple of trees from Sequoia National Park. Nothing the person in blue at the base of the left tree. #Sequoia #Nationalpark #redwood
December 19, 2024 at 6:32 PM
Just a couple of trees from Sequoia National Park. Nothing the person in blue at the base of the left tree. #Sequoia #Nationalpark #redwood
December 16, 2024 at 10:08 PM
Grocery store price sign made to look like a sale. Notice the price is more than the regular price! #grocery #sale #marketing
December 1, 2024 at 2:16 PM
Grocery store price sign made to look like a sale. Notice the price is more than the regular price! #grocery #sale #marketing
Have you seen a total eclipse of the Sun? If yes, more than one? I have seen two.
November 29, 2024 at 9:51 PM
Have you seen a total eclipse of the Sun? If yes, more than one? I have seen two.
Great show. Anyone else enjoy Broadway shows?
November 16, 2024 at 1:15 PM
Great show. Anyone else enjoy Broadway shows?
Who remembers shopping mall photo booths? They're back!
November 16, 2024 at 1:13 PM
Who remembers shopping mall photo booths? They're back!