Craig Johnson
@bowtiediene.bsky.social
Chemistry & physics teacher, dad, hiker, GM. I love discussing science education and grading reform. Opinions are my own. (he/him)
So...a company that has been accused of copyright infringement is upset with AI. Got it. www.cnbc.com/2025/10/27/c...
October 28, 2025 at 7:09 PM
So...a company that has been accused of copyright infringement is upset with AI. Got it. www.cnbc.com/2025/10/27/c...
Kyanite is blue, anisotropic, and hypnotic. Let's see it make it to the finals!
Vote but once: www.mineralcup.org/2025/vote/r4...
Vote but once: www.mineralcup.org/2025/vote/r4...
September 29, 2025 at 12:41 AM
Kyanite is blue, anisotropic, and hypnotic. Let's see it make it to the finals!
Vote but once: www.mineralcup.org/2025/vote/r4...
Vote but once: www.mineralcup.org/2025/vote/r4...
Sure it's easy to vote for a bright green, radioactive mineral. But mannardite has vanadium, which is a very cool element. Also, have I mentioned the fun optics of mannardite grains? That's WAY more colors than just green. #MinCup25
September 24, 2025 at 1:03 AM
Sure it's easy to vote for a bright green, radioactive mineral. But mannardite has vanadium, which is a very cool element. Also, have I mentioned the fun optics of mannardite grains? That's WAY more colors than just green. #MinCup25
A very friendly clan, but I was a little disappointed by the lack of physics going on. @deanbaird.bsky.social
September 21, 2025 at 4:04 PM
A very friendly clan, but I was a little disappointed by the lack of physics going on. @deanbaird.bsky.social
Mannardite has a fun polarization simulation on www.mindat.org/min-2567.html. Also it contains vanadium. #MinCup25
September 16, 2025 at 1:56 AM
Mannardite has a fun polarization simulation on www.mindat.org/min-2567.html. Also it contains vanadium. #MinCup25
I am so glad I live near the water so I can get fresh caught horseradish.
September 6, 2025 at 9:26 PM
I am so glad I live near the water so I can get fresh caught horseradish.
A beautiful day to make music.
August 30, 2025 at 7:37 PM
A beautiful day to make music.
Hmm, I was promised a future where all food was gel-cookery.
August 18, 2025 at 2:36 AM
Hmm, I was promised a future where all food was gel-cookery.
Speak of the devil...just spotted now.
June 17, 2025 at 4:31 PM
Speak of the devil...just spotted now.
That Ric is pretty Grande. @terriblemapshq.bsky.social
May 30, 2025 at 3:47 AM
That Ric is pretty Grande. @terriblemapshq.bsky.social
What's the cover art that got you started in the TTRPG hobby? Here's mine:
May 27, 2025 at 11:11 PM
What's the cover art that got you started in the TTRPG hobby? Here's mine:
Just donated my 8th gallon of blood with the #RedCross. Get out there and donate (if you can)! #everylittlebithelps
May 17, 2025 at 1:29 PM
Just donated my 8th gallon of blood with the #RedCross. Get out there and donate (if you can)! #everylittlebithelps
So proud that we took 1st place in our first competition as a grade 4 pipeband. Lots of great work (with more to be done) from a great team! #bagpiping #chemistswhopipe
May 6, 2025 at 2:36 AM
So proud that we took 1st place in our first competition as a grade 4 pipeband. Lots of great work (with more to be done) from a great team! #bagpiping #chemistswhopipe
Having been involved with family genealogy research, it always makes me sad reading the "number [of children] now living" column.
February 20, 2025 at 12:24 PM
Having been involved with family genealogy research, it always makes me sad reading the "number [of children] now living" column.
Bluesky now has over 10 million users, and I was #273,702!
September 17, 2024 at 1:21 AM
Bluesky now has over 10 million users, and I was #273,702!
What's your "no one but me remembers" game?
I'm going with Star Emperor on OS/2 Warp. Many fun times with that one!
I'm going with Star Emperor on OS/2 Warp. Many fun times with that one!
September 15, 2024 at 6:41 PM
What's your "no one but me remembers" game?
I'm going with Star Emperor on OS/2 Warp. Many fun times with that one!
I'm going with Star Emperor on OS/2 Warp. Many fun times with that one!
Uff da, I hope not! #iTeachPhysics #CASTLE
July 3, 2024 at 1:42 AM
Uff da, I hope not! #iTeachPhysics #CASTLE
Another amateur #eclipse shot from Southern New England. #iTeachPhysics
April 8, 2024 at 9:02 PM
Another amateur #eclipse shot from Southern New England. #iTeachPhysics
90% Eclipse in southern New England!
April 8, 2024 at 7:46 PM
90% Eclipse in southern New England!