Isometry group Updated +Created
The group of all transformations that preserve some bilinear form, notable examples:
Patent Updated +Created
Figure 1.
User-operated amusement apparatus for kicking the user's buttocks figure 5
. Source.
The Sims Updated +Created
A young Ciro Santilli really liked this game, the way it makes you feel.
Circulatory system Updated +Created
Democratic Party (United States) Updated +Created
pdftk Updated +Created
Extract certain pages of a PDF:
pdftk input.pdf cat 2-4 output out1.pdf
Rust library Updated +Created
Course of the University of Oxford Updated +Created
The course outline is given in a "handbook", a one or more PDF files that contain what people will learn and other practicalities. There is a full list of handbooks at: www.ox.ac.uk/students/academic/guidance/undergraduate/handbooks, but many of them are closed. The system is so closed that even the fucking course list is closed, e.g. all links at: www2.physics.ox.ac.uk/students/undergraduates are closed. Insane.
Demographics of Brazil Updated +Created
Media company Updated +Created
Metric space Updated +Created
Canonical example: Euclidean space.
Gallium compound Updated +Created
Cyclic group Updated +Created
Permutation Updated +Created
Space group Updated +Created
All possible repetitive crystal structures!
219 of them.
Special linear group Updated +Created
Specials sub case of the general linear group when the determinant equals exactly 1.
Ciro Santilli's software engineering wisdom Updated +Created
Of course, "Ciro Santilli" with quotes, since all of those are either taken directly from others, or had been previously formulated by others.
Local hidden-variable theory Updated +Created
Key mitochondrial proteins aren't necessarily in mtDNA Updated +Created
E.g. in humans the adenine nucleotide translocator is present in chromosome 4, not in mtDNA.
These have almost certainly been transferred to nuclear DNA in the course of evolution.
This isn't completely surprising, since when mitochondria die, their DNA is kind of left in the cell, so it is not hard to imagine how genes end up getting uptaken by the nucleus. This is suggested at Power, Sex, Suicide by Nick Lane (2006) page 196.
A limiting factor appears to be that you can't just past those genes in the nucleus, further mutations are necessary for mitochondrial protein import to work, apparenty some kind of tagging with extra amino acids.
However, you likely don't want to remove all genes from the mitochondria because mitochondria have DNA because they need to be controlled individually.
Quadratic equation Updated +Created

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