Michael G. Lerner
@mglerner.bsky.social
Comp. biophysicist at Earlham: Biomembranes, comp oncology. Reducing distracted hyperbusyness. Decolonizing my sylabus. mglerner@pm.me @mglerner@mastodon.cloud @mglerner at bird site
ORCID: 0000-0003-1222-3212
ORCID: 0000-0003-1222-3212
why would you do this
October 14, 2025 at 8:48 PM
why would you do this
I think it's because they all built the circuit this way, which makes it pretty hard to pull out just the current through one resistor (yes, you can be clever). Do you think I'm right about where the difficulty came from?
October 8, 2025 at 1:21 PM
I think it's because they all built the circuit this way, which makes it pretty hard to pull out just the current through one resistor (yes, you can be clever). Do you think I'm right about where the difficulty came from?
I asked what turned out to be a really hard question in my intro class. Build this circuit on a breadboard (easy). Measure the equivalent resistance of the two parallel resistors (easy). Measure I1, the current through R1 (whoa!).
#ITeachPhysics a lot, and I was surprised by just how tough this was.
#ITeachPhysics a lot, and I was surprised by just how tough this was.
October 8, 2025 at 1:21 PM
I asked what turned out to be a really hard question in my intro class. Build this circuit on a breadboard (easy). Measure the equivalent resistance of the two parallel resistors (easy). Measure I1, the current through R1 (whoa!).
#ITeachPhysics a lot, and I was surprised by just how tough this was.
#ITeachPhysics a lot, and I was surprised by just how tough this was.
I love this question for intro physics
![Projectiles 1 and 2 are launched over level ground with the same speed but at different angles. Which hits the ground first? Ignore air resistance. [Projectile 1 goes about twice as high as projectile 2, both in nice parabolic arcs.]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2s32idzwnqpln3s44jz5dvy6/bafkreieiedlbihyluoehrnzw6owxr7rzhzhn6m45pdmklo2uurkkodwapa@jpeg)
September 8, 2025 at 12:49 PM
I love this question for intro physics
I hadn't heard the math problem before. I tried it, and ChatGPT goes more and more off the rails. Might use this on day 1 in my physics and engineering classes this term.
August 8, 2025 at 4:17 PM
I hadn't heard the math problem before. I tried it, and ChatGPT goes more and more off the rails. Might use this on day 1 in my physics and engineering classes this term.
Yoooooo! Earlham's front page is a photo of my intro BME class demonstrating their group project (an awesome robotic hand, achieving the project goal of grasping a tennis ball!)
www.earlham.edu #GoEC
www.earlham.edu #GoEC
March 31, 2025 at 10:01 PM
Yoooooo! Earlham's front page is a photo of my intro BME class demonstrating their group project (an awesome robotic hand, achieving the project goal of grasping a tennis ball!)
www.earlham.edu #GoEC
www.earlham.edu #GoEC
Walk with dog and stream, followed by Manhattan with Banane du Brésil. Yes. Also call your congressfolk every day.
March 20, 2025 at 1:01 AM
Walk with dog and stream, followed by Manhattan with Banane du Brésil. Yes. Also call your congressfolk every day.
No I did *NOT* mean vim 🤣
February 26, 2025 at 6:22 PM
No I did *NOT* mean vim 🤣
From my daughter's US history textbook.
Bullying.
The book later mentions the holocaust exactly twice. One of the sentences is something like “after the war, the US discovered the holocaust.” They devote one sentence to genocide, and I was shocked that they actually used the word.
Bullying.
The book later mentions the holocaust exactly twice. One of the sentences is something like “after the war, the US discovered the holocaust.” They devote one sentence to genocide, and I was shocked that they actually used the word.
February 9, 2025 at 9:39 PM
From my daughter's US history textbook.
Bullying.
The book later mentions the holocaust exactly twice. One of the sentences is something like “after the war, the US discovered the holocaust.” They devote one sentence to genocide, and I was shocked that they actually used the word.
Bullying.
The book later mentions the holocaust exactly twice. One of the sentences is something like “after the war, the US discovered the holocaust.” They devote one sentence to genocide, and I was shocked that they actually used the word.
This feels a little judgy
January 14, 2025 at 10:40 PM
This feels a little judgy
Mmm. Chocolate almond torte is always so good. I was a little sloppy with the glaze, but nobody is complaining
November 25, 2024 at 11:29 PM
Mmm. Chocolate almond torte is always so good. I was a little sloppy with the glaze, but nobody is complaining
Can't seem to DM you. My academic email is lernemi@earlham.edu if that's enough. I can also link to github with old code or an un-updated "professional" website if you want REAL proof that I'm an academic 🤣
November 22, 2024 at 4:24 PM
Can't seem to DM you. My academic email is lernemi@earlham.edu if that's enough. I can also link to github with old code or an un-updated "professional" website if you want REAL proof that I'm an academic 🤣
Not my biomedical engineering textbook just throwing up a picture of left-handed DNA and not mentioning it at all ...
November 19, 2024 at 3:47 PM
Not my biomedical engineering textbook just throwing up a picture of left-handed DNA and not mentioning it at all ...
Let's calculate \vec{F}_g #ITeachPhysics
September 13, 2023 at 11:59 AM
Let's calculate \vec{F}_g #ITeachPhysics