Projection Connections

A 16 × 24-inch tangled web showing how 100+ different map projections are all related to each other:

I'm not sure which corner of this image should be labelled "Chaotic Evil".

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The date is now Thursday, March 1069th, 2020.

Adam Daniel: I watched Groundhog Day every day for a year:

"What would you do if you were stuck in one place, and every day was exactly the same, and nothing that you did mattered?" [...]

In 2021 I was wrestling with the same question. Living in lockdown, I was feeling frustration, ennui, and like forward progress had ground to a halt. The circumstances created an opportunity to subject myself to a very unusual challenge: to watch the same film once a day, every day, for a year. [...]

I began to notice the reoccurrence of certain extras from scene to scene, building my own narrative around their identities. I realised the boy in a wheelchair in the background of the hospital scene is the same boy Phil will eventually save from breaking his leg every day. [...]

By the midway point, my viewing had shifted into a mode of cataloguing and memorisation. Phil Connors's weather reports ran through my head unbidden, and I had built myself a mental map of Punxsutawney to where I felt like I could give directions to a visitor. I began to talk to the film as it played.

Some days, the viewing felt like a curse. When Rita discovers Phil's dilemma, she says: "Maybe it's not a curse. Maybe it depends on how you look at it."

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SOMA Nature Walk: Glue Factory

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Autonomous murderbots still going great

Self-driving cars are causing mayhem on SF streets

In letters to the California Public Utilities Commission seeking to curtail their expansion, the city's Municipal Transportation Agency and County Transportation Authority documented at least 92 incidents between late May and December where self-driving taxis created mayhem on city streets -- disrupting traffic, Muni transit and emergency responders.

Jan 22: Firefighters were battling a two-alarm apartment blaze on the corner of Hayes and Divisadero streets when a driverless Cruise car entered the active firefighting scene and nearly ran over fire hoses on the street. Firefighters at the scene stood in front of the car to try to get it to stop, but the autonomous vehicle came to a halt only after one of them smashed the Cruise car's front window amid the chaotic effort to put out a fire that displaced 25 people.

Sep 22: A Cruise vehicle entered a bus lane, stopped next to a Muni bus near the intersection of O'Farrell and Franklin streets and blocked traffic for 21 minutes.

Sep 23: Five Cruise autonomous vehicles blocked southbound Mission Street just north of the intersection with 29th Street. One of the cars stopped on the central double yellow line, partially blocking an opposing lane of traffic. Traffic was stopped for at least 13 minutes.

Sep 30: A Cruise vehicle came to a stop after nearly colliding with a Muni N-Judah train at the intersection of Carl and Cole streets. The Cruise car blocked light-rail tracks in both directions for close to seven minutes.

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Current Music: Wet Leg -- Oh No ♬

For police PR flacks, quack lives matter


Watch for "cops save baby ducks" stories in the next few months. Media collaborates with police to produce these puff pieces after every police brutality incident. Literally every dept does these after police killings, it's amazing.

Police seem to be heroically rescuing baby ducks... pretty much everywhere:

I found 30 -- yes 30 -- separate stories from just the last two years before I decided I'd spent enough time on this post. I'm sure a more thorough search would have turned up a lot more.

What's incredible is not just that so many baby ducks keep wandering into storm drains, but also that there are so often police officers nearby to save them, and that word of these rescues keeps finding its way to a local news reporter. It's quite the fortuitous string of coincidences.

In any case, please enjoy these 30 stories about police saving baby ducks.

  • Eureka, California
  • Montgomery County, Maryland
  • Sevierville, Tennessee
  • Hudson, Wisconsin
  • Jacksonville, Florida
  • Whitemarsh, Pennsylvania
  • Andover, Massachusetts
  • Bartlett, Tennessee
  • South Salt Lake City, Utah
  • Bellevue, Washington
  • Topeka, Kansas
  • Manlius, New York
  • Jamestown, New York
  • Caldwell, Idaho
  • North Mankato, Minnesota
  • Marlborough, Massachusetts
  • Manchester, New Hampshire
  • Rome, New York
  • Cape May, New Jersey
  • Blue Ash, Ohio
  • Harlingen, Texas
  • Heyward, California
  • Evansville, Indiana
  • Anne Arundel County, Maryland
  • Poughkeepsie, New York
  • Punta Gorda, Florida
  • Overland Park, Kansas
  • Somewhere in Arizona
  • Edmond, Oklahoma
  • Calabash, North Carolina

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The Topologist's World Map

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Lunar Time

Not only do you need leap seconds to keep solar time and atomic time in sync, you'll need a different kind of leap second to keep Lunar atomic time and Earth atomic time in sync, because mass distorts spacetime.

So good luck with that...

Defining lunar time is not simple:

Although the definition of the second is the same everywhere, the special theory of relativity dictates that clocks tick slower in stronger gravitational fields. The Moon's gravitational pull is weaker than Earth's, meaning that, to an observer on Earth, a lunar clock would run faster than an Earth one. Gramling estimates that a lunar clock would gain about 56 microseconds over 24 hours. Compared with one on Earth, a clock's speed would also subtly change depending on its position on the lunar surface, because of the Moon's rotation, says Tavella. "This is a paradise for experts in relativity, because you have to take into account so many things," she adds.

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Storing your calendar in the Clown

Dear Lazyweb,

Can anyone explain to me what the default event alert time actually does on macOS and iOS with iCloud syncing?

What I would like it to mean: "When I create a new event, that event is created with an alert 15 minutes before, instead of needing to add that by hand."

What it seems to actually mean: "If you create an event, even a recurring event, and at any point change the time of that alert, or delete the alert, then the 'default' 15 minute alert is going to show back up anyway, but some random amount of time later, and also only like 70% of the time."

I suspect that if I turned off the default alert on my desktop as well as every other device it would stop re-adding it, but then I would accidentally end up a bunch of events with no alerts at all.


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Captain Caveman's Favorite Browser

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I agree with this message.

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Current Music: Hælos -- Noctis ♬

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