The book binding broke three times Updated +Created
韦编三绝 is a chengyu that means "to study diligently", i.e. to read so much to the point that your book starts to wear down.
There is a Chinese Wiki page for this song: zh.wikipedia.org/wiki/韦编三绝 which says it dates from the early Qing dynasty
Video 1.
"The book binding broke three times" uploaded by guqincn
. Source.
Time dilation Updated +Created
One of the best ways to think about it is the transversal time dilation thought experiment.
Ciro Santilli's hardware / P14s benchmark Updated +Created
glmark2 -b build:duration=3:model=horse
~22K
Cool data embedded in the Bitcoin blockchain / ASCII porn Updated +Created
All found so far are also reproduced at: asciiart.website/index.php?art=people/naked%20ladies therefore not blockchain original.
Some of the very first ASCII art present in the blockchain besides BitLen is porn. Surprising?
Cool data embedded in the Bitcoin blockchain / Trump Updated +Created
There's a bit of both sides in the 2016 race:
Cosmic microwave background Updated +Created
If you point a light detector to any empty area of the sky, you will still get some light.
The existence of this is quite mind blowing, since "there is nothing there emitting that light".
To make sense of how it is possible to see this light, you can think of the universe as the expanding raisin bread model, but it expands faster than light (thus the existence of the cosmological event horizon), so we are still receiving light form the middle, not the borders.
CMB is basically perfectly black-body radiation at 2.725 48 K, but it has small variations with variations of the order of 200 microKelvin: cosmic microwave background anisotropy.
Inner product space Updated +Created
Subcase of a normed vector space, therefore also necessarily a vector space.
binwalk Updated +Created
Breast Updated +Created
Dragon boat (pipa piece) Updated +Created
This piece is a reference to Dragon boats from the Dragon Boat Festival.
The explosive moments presumably represent the intense rowing action of a dragon boat race competition.
TODO date composed.
Video 1.
Dragon boat performed by Yuanchun Yu (2021)
Source.
Ising model Updated +Created
Toy model of matter that exhibits phase transition in dimension 2 and greater. It does not provide numerically exact results by itself, but can serve as a tool to theorize existing and new phase transitions.
Each point in the lattice has two possible states: TODO insert image.
As mentioned at: stanford.edu/~jeffjar/statmech/intro4.html some systems which can be seen as modelled by it include:
Also has some funky relations to renormalization TODO.
Video 1.
The Ising Model in Python by Mr. P Solver
. Source. The dude is crushing it on a Jupyter Notebook.
Liu Dehai Updated +Created
Figure 1.
Liu Dehai peforming at the Musée Guimet in 2010
. Source.
Object detection Updated +Created
Placenta Updated +Created
Placentalia subclade Updated +Created
Software reverse engineering Updated +Created

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