Big, silly Chinook @bigsillychinook
Fun(?) high school physics stuff, with a little non-physics STEM stuff tossed in for kicks. For now, find me on mastodon: @[email protected]. Joined August 2019-
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This is @NASA_Orion approaching the Moon few minutes ago before the loss of signal. Watch live: nasa.gov/nasalive #Artemis1
Just going to retweet this as we continue to watch twitter’s fast collapse. You can also follow me on IG same handle
Just going to retweet this as we continue to watch twitter’s fast collapse. You can also follow me on IG same handle
I am super excited to share the first video of the Black-naped pheasant-pigeon, a species from Papua New Guinea lost to science for 140 years! @ABCbirds @rewild @Jordan_Boersma @johnmittermeier
I'm biased, but like the @NOAASatellites #GOES16 rocket plume RGB: cimss.ssec.wisc.edu/satellite-blog… HT @UWSSEC #geosphere @UWCIMSS
I'm biased, but like the @NOAASatellites #GOES16 rocket plume RGB: cimss.ssec.wisc.edu/satellite-blog… HT @UWSSEC #geosphere @UWCIMSS https://t.co/ZI1VoSP7dn
A four-day trip to lunar orbit now begins for @NASA_Orion, assisted by the European Service Module, during the so-called "outbound coasting phase." Teams in Europe will advise on propulsion to correct trajectory as needed. #ForwardToTheMoon #infographics
Whoa, fertile ground for some sort of statics/equilibrium problem with the vertical friction on each side of the hook.
Whoa, fertile ground for some sort of statics/equilibrium problem with the vertical friction on each side of the hook.
This is pretty cool—it's an animation of five images of Iapetus captured by @CassiniSaturn on November 15, 2005 with gradually longer exposure times ranging from 18 to 100 seconds. The background stars streak longer, and the night side brightens with reflected ringshine.
This #desmos hasn't been polished yet, but I'm interested in feedback about the design, if anything is broken for certain slider values, what other features ppl might like to see incorporated into it, etc.. It's a simulation for a car on a banked turn: desmos.com/calculator/xfs…
Artemis is rescheduled to launch on its journey to the Moon on Wednesday, Nov 16. This trajectory is slightly different than the previous ones. The lunar flyby that aims it back to Earth happens closer to lunar apogee.
Wow: The black and white chess pieces are actually the same color. A great example of the fact that we don't directly perceive the color of objects; our perceptual systems make an educated "guess" based on the objects' surroundings. nature.com/articles/natur…
Twinkle twinkle little star... I recorded a real-time video of the Sirius, the brightest star in the night sky, out of focus so that we can see it twinkling. It's caused by Earth's atmosphere refracting the different colours of incoming starlight into different directions
Hey, you! Join the @adsabs team that underpins all of astrophysics. They're looking for a project scientist, DevOps engineer, and a search/back-end developer: ui.adsabs.harvard.edu/about/careers/
Physics grad students: Come work with me! We are hiring a post-doc to work on the ATLAS experiment, starting ASAP. A mix of hardware and physics, primarily stationed at CERN at first.
Look at the lunar eclipse from start to finish here, wow, what an awesome idea!
Andrew M @MoloffAndrew
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Realized I'm doing a #NerdyShirtFriday this week!
Favorite part of my planning period 🙂🦮 @esumstweet
The Stepping-Feet Illusion features two rectangles apparently moving like a pair of stepping feet, but they're actually moving at the same constant speed. The illusion is broken when the striped texture is removed [source, read more: buff.ly/3eSzghH]
@MrJoeMilliano There is a Discord@server up and running…. discord.gg/47kRNCKG
@MrJoeMilliano @Allthingsphysix Those look great. I'm hoping to build some where any of the 4 could be considered the one that doesn't belong, which I'm finding is a really hard task to create. But it would make a great low floor/high ceiling task for students
@SecurityCatnip The plot is done in a "rotating reference frame", with Earth and the Earth-Moon line fixed.
Had to put my desks in rows today for an assessment. Hate rows. One of my kids: “Ah, back to the factory setting.”
Fantastic explanation from @drdiandra! This would make great discussion for physics classes.
LRT: Additional physics talk about that wall-riding NASCAR story in this article: nascar.nbcsports.com/2022/10/31/dr-…
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授業乱入はナシ。
茨木市都市整備部の皆さんが、ここらぼ室にいらっしゃいました。知覚心理学とまちづくりのマリアージュを目指せ!
@bigsillychinook I haven't found the pivot is necessary. Whatever works! That's half of teaching science, right?
@bigsillychinook @a_freeparticle Drivers complained about the Chaparral 2J too. It blew dirt and debris behind it. Jim hall told them "Well, why don't you pass me then?" They couldn't because the fans created a low pressure under the car, increasing the normal force and friction, allowing it to take fast turns.
@bigsillychinook @a_freeparticle Here is a video of a Chaparral 2J in operation at a classic car show:
@bigsillychinook @a_freeparticle Liked the physics and the shout out to Colonel John Stapp, but this was a reckless move. The wall and the car are not designed to work this way. He, and the drivers he endangered, got lucky. This is how to engineer a car to take turns fast: hotcars.com/chaparral-2j-s…
Easiest way to cut glass into regular pentagons is to cut a strip (x/2)*tan72 tall. Then cut between marks alternating x and 2x. Then cut the top two corners. @shskaercher
Why are plants green? To reduce the noise in photosynthesis. Plants ignore the most energy-rich part of sunlight because stability matters more than efficiency, according to a recent model of photosynthesis [read more: buff.ly/2P8ynVs]
A super quick video demonstration of how this works.