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Robert Kosara

@eagereyes.org
3.7K followers 204 following 262 posts

Interested in all things visual and data, like data visualization. ISOTYPE collector, synth dabbler, runner.

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Robert Kosara @eagereyes.org · 20/07/2026
The first four weeks of digital solargraphs are in the bank! Over 45,000 individual shots across two cameras, 380GB of RAW files condensed into a few seconds of video 😅
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Robert Kosara @eagereyes.org · 08/07/2026
The daily solargraph is the continuation of my digital solargraphy project. You can watch every day's capture as a little video, or scrub through manually. The new capture is added every night around 10pm PDT. eagereyes.org/app/daily-so...
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Robert Kosara @eagereyes.org · 29/06/2026
Something fun you can do with digital solargraphs that you can't with paper, is look at each daily streak separately and admire the patterns. Here are four from the last few days in Seattle, the first on the solstice (6/21), and then 6/26-28.
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Robert Kosara @eagereyes.org · 21/06/2026
I've built a solargraph simulator using solar irradiation data. Pick a place on Earth, animate the solargraph, draw just one point per hour for analemma view, or switch to panorama mode that projects the solargraph into a virtual sky you can navigate. eagereyes.org/app/solargraph
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Robert Kosara @eagereyes.org · 18/06/2026
What if solargraph, but animated? Is it a solarlapse?
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Robert Kosara @eagereyes.org · 17/06/2026
Does it even come with that tiny knight's glove on the right, though? It'd better, if I have to pay $30 shipping on top of the $12K…
An open copy of Playfair's Statistical Atlas of the United Sates, showing the first pie chart, and held open with a tiny gizmo that looks like a metal glove worn by a knight.
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Robert Kosara @eagereyes.org · 13/06/2026
It did eventually make this though (in 4K too, but I scaled it down), so yay I guess. I'm still baffled that this is so janky and difficult to make, though.
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Robert Kosara @eagereyes.org · 13/06/2026
JFC, the Google Earth "Pro" app for macOS is intel-only
A pop-up message telling me that support for Intel-based apps is ending after I opened Google Earth Pro
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Robert Kosara @eagereyes.org · 13/06/2026
I'm trying to make some nice transitions from one place on the globe to another. Are there any good web apps or similar for this? I'm trying Google Earth Studio, but when I export, I get… this.
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Robert Kosara @eagereyes.org · 13/06/2026
Image Playground in iPadOS 27 is vastly better than before
Friendly anthropomorphic pie chart breaking through a wall into a living roomAngry anthropomorphic pie chart breaking through a wall into an empty room
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Robert Kosara @eagereyes.org · 28/01/2025
Also, I thought the 1925 was a reprint. I've seen some pictures suggesting that. Did reprint it and then release a new edition?
Inside book cover showing a first printing of Karsten's book, Charts and Graphs, in October 1923, and a second printing in January 1925
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Robert Kosara @eagereyes.org · 28/01/2025
Update! The book arrived and is in decent shape. It’s the first edition, with some water staining. But pretty good for a $50 copy of Karsten (instead of the $600+ you usually see them listed at). Pages are clean and they’re all there!
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Robert Kosara @eagereyes.org · 13/01/2025
Since I have both the old and new editions, here they are together with a creepy rabbit sculpture for size comparison.
Two versions of the book Info we Trust by RJ Andrews, leaning against a rabbit sculpture
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Robert Kosara @eagereyes.org · 13/01/2025
Well look what showed up in my mailbox today! Very exciting!
Photo of RJ Andrews’ book, Info we trust
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Robert Kosara @eagereyes.org · 12/12/2024
The new iOS image playground isn’t entirely clear on the number of legs and tails on a standard-issue cat. It’s a typical generative AI issue, but I figured they’d have done some more work to avoid such obvious issues.
Image of a cat waving, generated with Apple’s new image playground. The cat has four limbs in addition to the one that’s waving, and two tails.
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Robert Kosara @eagereyes.org · 09/12/2024
This is an interesting chart 📊, not just because of its content. The time axis here strikes me as relative rather than absolute, since the values aren't tied to the years. They'll be different next year, so they're relative to when the chart is made. From www.pewresearch.org/short-reads/...
A line chart of how many webpages from each year are no longer accessible, from 2013 to 2023. The values start at 38% for 2013 and go down to 8% for 2023.
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Robert Kosara @eagereyes.org · 26/11/2024
This is how I'm writing my name from now on!
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Robert Kosara @eagereyes.org · 20/11/2024
The last thing you hear from X, once you've deleted your account, is that deep inside, it's still Twitter.
Email with a sender field of Twitter, saying "Twitter two-factor authentication is now off"
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Robert Kosara @eagereyes.org · 19/11/2024
I got started in BASIC, and I turned out okay.
Quote by Edsger Dijkstra saying, It is practically impossible to teach good programming to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration
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Robert Kosara @eagereyes.org · 14/11/2024
This made me dig up an old dashboard of mine about my running data 😅 I stole this idea from sales charts that show sales over time (months, quarters, etc.). Cumulative charts like this are pretty common and useful. 📊 public.tableau.com/app/profile/...
Dashboard of running distance per year in miles, for nine years. They're shown as bars on the left and cumulative line charts on the right.
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Robert Kosara @eagereyes.org · 13/11/2024
This is a pretty great example of showing potential in a 📊 chart, or “nothing” in @visualisingdata.com terms. From a story about a math test for LLMs that they all pretty much fail at, and that they can’t be trained on because the actual questions are secret. arstechnica.com/ai/2024/11/n...
A bar chart of different language models and the percentage of the test they were able to solve. The axis goes to 100%, even though none of the bars even reach 5%.
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Robert Kosara @eagereyes.org · 06/11/2024
I find this little chart by the @washingtonpost.com a much better representation than the needle (especially the static needle that doesn't even show uncertainty). The overlap shows the uncertainty, and the range above and below the line gives you a sense of the chances.
Trump and Harris chances of winning the election shown as two overlapping cones of uncertainty
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Robert Kosara @eagereyes.org · 04/11/2024
The Kindle Colorsoft is getting absolutely murdered in the reviews right now. I'm returning mine. It has the yellow bar on the bottom, but there's also something weird with the battery where it never reaches 100% charge, even after 20 hours of charging. The colors are nice, but there are trade-offs.
Review breakdown for the Kindle Colorsoft, showing 1/3 of the reviews being 1-star ones
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Robert Kosara @eagereyes.org · 02/11/2024
Finally, DLA can also create the kinds of vertical growth that Martin was talking about, with or without fancy/silly colors. In this case, there's consistent motion in the vertical direction, and random motion horizontally.
Vertical structures looking like organic shapes, created by diffusion-limited aggregation processVertical structures looking like organic shapes, created by diffusion-limited aggregation process (with colors showing when the particles were deposited)
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Robert Kosara @eagereyes.org · 02/11/2024
Alternatively, you can launch particles from the outside and only allow them to move inward, which makes more of these snowflake-type shapes. Excuse/enjoy the silly colors 😅
Snowflake-type shape created by diffusion-limited aggregation processSnowflake-type shape created by diffusion-limited aggregation processSnowflake-type shape created by diffusion-limited aggregation processSnowflake-type shape created by diffusion-limited aggregation process
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Robert Kosara @eagereyes.org · 02/11/2024
DLA has particles moving around randomly, or somewhat randomly, until they hit other particles, at which point they stick and you launch another one. Back in 1992, those were single pixels. Starting in the center, and restricting the motion to only go outwards, you get these dendrite-type shapes.
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Robert Kosara @eagereyes.org · 28/10/2024
Update: didn’t actually take very long to get in
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Robert Kosara @eagereyes.org · 28/10/2024
Updated to iOS 18.1, but I still have to join a waitlist to get into a beta for Apple Intelligence?
The iOS Settings page for Siri showing a way to be added to the waitlist for Apple Intelligence beta
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Robert Kosara @eagereyes.org · 11/10/2024
If you’re in the US, get outside once it’s dark and look for the aurora! Should be visible from most places in the US tonight (and Canada, obviously :D) services.swpc.noaa.gov/images/auror...
An image of the aurora disk over North America
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Robert Kosara @eagereyes.org · 26/09/2024
The new Tides app in watchOS 11 shows sunset and sunrise times in addition to the tides. I guess there are uses other than photography where this might be useful, but it’s also really helpful for planning photo shoots.
Tides app showing low tide timingTides app showing sunset time in addition to tide
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Robert Kosara @eagereyes.org · 24/09/2024
I also like the way Flux shows the top of the hour. What time is it? It’s TWO! It’s SIX! It’s EIGHT! Simple and to the point.
Flux watch face showing a big number 2Flux watch face showing a big number 6Flux watch face showing a big number 8
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Robert Kosara @eagereyes.org · 24/09/2024
I’ve been enjoying the new Flux watch face in watchOS 11. It has a fun design, and I like the sort of part-to-whole sweep of the divider to show seconds. You can watch the minute fill up from the bottom to the top.
Flux watch face showing 9:33Flux watch face showing 9:34Flux watch face showing 8:36, with a dividing line about 1/3 of the way to show secondsFlux watch face showing 10:29, with a dividing line a little over halfway to show seconds
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Robert Kosara @eagereyes.org · 03/09/2024
I’m at 182, which is apparently bluer than 90% of people taking the quiz. And yes, turquoise definitely looks green to me.
Screenshot of quiz saying, your boundary is at hue 182, bluer than 90% of the population. For you, turquoise  is green.
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Robert Kosara @eagereyes.org · 15/02/2024
Yes! I took this shot at Malofiej 2012 because it was so striking
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Robert Kosara @eagereyes.org · 10/07/2023
While we were gone last week, a pair of birds built a nest in the rafters under our deck. Of course I had to install a bird cam 😄 (though looks like I can’t post video here, unfortunately)
Bird’s nest with three eggs seen from aboveView of the birds nest from the side with a bird sitting in it
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Robert Kosara @eagereyes.org · 08/07/2023
Why hello BlueSky! I’ll start things off here with some chipmunks
Chipmunk hiding behind grassChipmunk eating a nutChipmunk about to chomp into a nut
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