Copernicus Day for May 2025 has arrived, a day for long-range weather fans around the world! Let's take take a look at what the data is showing for the upcoming summer 🧵

Congratulations to Judge Susan Crawford on her victory, and to the people of Wisconsin for electing a judge who believes in the rule of law and protecting our freedoms.

https://t.co/Io4FooW5x6

The Physics of Radio Waves. #physics

Ant face.

Breaking! The FBI has sued Trump/DOJ! A group of FBI agents who assisted in criminal investigations stemming from the Jan. 6 assault on the U.S. Capitol has filed suit Tuesday to block the Justice Department.

After going out with police to observe reports of possible drones, I was with the help of civilian pilots and others able to do deeper analysis and concluded that most of the possible drone sightings that were pointed out to me were almost certainly planes. Let me explain: THREAD

Entropy is one of those formulas that many of us learn, swallow whole, and even use regularly without really understanding. (E.g., where does that “log” come from? Are there other possible formulas?) Yet there's an intuitive & almost inevitable way to arrive at this expression.

Had a lot of fun teaching physics to some brilliant young minds @SquashBusters. Who says professors can't handle teenagers? (Spoiler: they ask tougher questions than my grad students.) @brownengin

Fabulous book, in general, and especially the introduction, which confirms my beliefs about the meaning of the words models, theories, metaphors.

What might Biden do to solidify his legislative successes before January 20th. https://t.co/QDA7XmrRmn @SmithInAmerica @WatsonInstitute

New #harrislab open-source hardware released! Introducing FIEVel: A Fast InExpensive Velocimeter based on an optical mouse sensor. The device can nonintrusively measure pointwise x-y velocities at rates up to 6.4 kHz, all for around $100. @arxiv: https://t.co/1YFz13qy50

Must see discussion of #electionssecurity hosted at @BrownUniversity on Tuesday October 8th from 5-6:30PM. See below for details.

Brown University Professor of Physics Dmitri Feldman was elected a Fellow of the American Physical Society (APS) in the Division of Condensed Matter Physics for 2024. Congratulations, Dima! More: https://t.co/o9T7MUkp9y… @BrownUResearch @APSphysics

Last time I did this I almost went bankrupt... but since I'm close to 60,000 Twitter followers... I will donate to @KamalaHarris and downballot Democrats $.10 for every like on this tweet, $0.50 for every retweet, and $1 for every follow. (59,880 followers at the start)

Please like & share if you stand with Haiti and Haitians Another African American brother from Springfield Ohio speaks out "I hear familiar accusations against us for centuries..You called us the same thing to dehumanize us. We stand with Haitians"

True That.

This hurts my brain

Research engineer Eli #harrislab @brownengin describes the OpenFlume and the design process in a recorded presentation from @crowd_supply Teardown 2024: https://t.co/Z3fxu8BNKy #openscience #opensource @oshwassociation

Fight between male Timber Rattlesnakes in the Great Blue Hills of Massachusetts. #rattlesnake #snake