Blue Angels, United 777, a Patriot passing Treasure Island and an F-35 wtih a P-51.
(Published to the Fediverse as: Fleet Week 2019 Air Show #photo #fleetweek #sanfrancisco #ggb Photos from the San Francisco Fleet Week 2019 Air Show. )
Timelapse of the 2019 Fleet Week Parade of Ships in San Francisco, California.
Ships include the USS Somerset, USS Zumwalt, USS Princeton and USS Charleston.
(Published to the Fediverse as: Fleet Week 2019 Parade of Ships #timelapse #video #sanfrancisco #fleetweek #ggb San Francisco Fleet Week 2019 )
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Autumn starts now north of the Equator, Spring to the south. Rendered in Catfood Earth.
(Published to the Fediverse as: Autumnal Equinox 2019 #code #catfood #earth #equinox #autumnal The start of Autumn 2019 rendered in Catfood Earth )
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Not bad, a few moments that are a little too fan fic but overall has the tone and scope of the original.
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SFO has just banned bottled water. Why not Coke?
In need of a simple tool to de-duplicate and sort photos and videos into year and month folders on Windows? Check out PhotoSorter.
Rebuttal of an op-ed in the NYT on the simulation hypothesis.
More on simulation. Have we proved this isn't true? No. Also - what does analyzing the physics of Conway's Game of Life tell us?
New project: generate a timelapse of a kid growing up from a set of any photos (uses machine learning to spot and align faces). Check it out at kidlapse.com.
Previously:
4K timelapse of the night sky over Sugarloaf Ridge State Park in Sonoma, California (home to the Robert Ferguson Observatory, which is home to the first Laser SETI site).
(Published to the Fediverse as: Sugarloaf Stars #timelapse #video #4k #sugarloaf #stars A 4K timelapse of the night sky over Sugarloaf Ridge State Park in Sonoma, California (which is home to the Robert Ferguson Observatory). )
I'm working on a project to generate a timelapse of a kid growing up. I wasn't organized enough to shoot my kids in the same pose on the same background so it's quite a tough problem. To fix this I'm using machine learning to recognize faces in photos and then automatically rotate and align them so the face is in the same place in every shot. From there it's just a matter of generating frames that fade between the different photos and stitching them together into a video. If this sounds interesting check it out at kidlapse.com and sign up to get notified when the service launches.
Conway's Game of Life is a cellular automaton where simple rules lead to surprisingly complex behavior. You can even build a Turing Machine in it. Life consists of a grid of cells which are either alive or dead. For each generation a cell flips from dead to alive if it has three alive neighbors. If a cell is alive and has two or three neighbors then it survives to the next generation, otherwise if dies. When programming a non-infinite Life game it's common to wrap the logic at the extent of the grid - so the some 'neighbors' of the cells at the very top are the cells at the very bottom and so on.
Imagine that you discover such a system and try to figure out the physics of it.
After observation of a sample of cells you'd figure out the rules that govern the life and death of most cells. You'd also figure out a speed of 'light' for the system - information can only travel one cell per generation. The state of cells further away have no influence. You've got a kind of classical physics of the Game of Life.
Further study would throw up a puzzle though. Cells at the extremes of the system are influenced by cells at the other extreme. In some cases the speed of 'light' is violated - you now have a non-local physics in the mix. At this point you might fix the problem with geometry - maybe the grid is actually wrapped around a torus (even though you're looking at a rectangular grid). This makes the system logically consistent again but it's wrong - the non-local behavior occurs because you're trying to analyze a simulation.
In quantum physics observing the state of a property on one particle in a pair of entangled particles will instantly effect the observation of that property on the other particle, no matter the distance between them. This is Einstein's spooky action at a distance. It seems like it can't possibly be true, but has been demonstrated repeatedly (and quite spectacularly using starlight to select which property to measure).
There are many different interpretations of how to understand quantum physics. But as you might expect from physicists these concern themselves with a physical universe (or multiverse depending on the flavor). It's possible though that non-locality (and the apparant quantized nature of our reality) is trying to tell us something else. Non-local effects are entirely consistent with a reality that is being generated frame by frame, just like a souped up Game of Life.
(Published to the Fediverse as: Life, Non-locality and the Simulation Hypothesis #etc #simulationhypothesis #conway How Conway's Game of Life illustrates non-locality and how this might be interpreted as evidence in favor of the simulation hypothesis when looking at non-locality in quantum physics. )
A couple of years ago a spate of articles claimed that there was proof that the simulation hypothesis was false, like Sorry, Elon. Physicists Say We Definitely Aren’t Living in a Computer Simulation in Futurism:
"A recent study by theoretical physicists from Oxford University in the U.K., which was published in the journal Scientific Advances just last week, definitively confirms that life and reality aren’t products of a computer simulation."
Strong statement. This is because they determined that running a simulation of a small quantum system was intractable:
"To store information about a couple hundred electrons, they noted, one needs a computer memory that requires more atoms than what’s available in the universe."
This might have something to say about what we can simulate on a classical computer in our universe, but it has no bearing on if our universe is itself simulated. If it is we have no idea what kind of computer is doing the simulating, nor what the physical laws are of the universe where that computer is running, nor even how many atoms it has at its disposal.
It's okay Elon, you still might be on to something.
(Published to the Fediverse as: Have we Already Proved that the Simulation Hypothesis is False? #etc #simulationhypothesis Oxford University confirms that we don't live in a simulation - but they haven't proved what they think they've proved. )
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