Discretization Updated +Created
Division algebra Updated +Created
DNA amplification Updated +Created
DNA amplification is one of the key DNA technologies:
DNA methylation Updated +Created
The first found and most important known epigenetic marker.
Happens only on adenine and cytosine. Adenine methylation is much less common in mammal than cytosine methylation, when people say "methylation" they often mean just cytosine methylation.
It often happens on promoters, where it inhibits transcription.
SQL REPEATABLE READ isolation level Updated +Created
nodejs/sequelize/raw/parallel_create_delete_empty_tag.js is an example which experimentally seems to be solved by REAPEATABLE READ, although we are not sure that this is truly the case and why. What is clear is that that example is not solved by the SQL READ COMMITTED isolation level.
In PostgreSQL, this is the first isolation level which can lead to postgreSQL serialization failures, this does not happen to SQL READ COMMITTED isolation level in that DBMS. You then have to retry the transaction.
The Day Today Updated +Created
Carl Jung Updated +Created
Documentary film Updated +Created
Dojo learning model Updated +Created
Double-slit experiment Updated +Created
Amazingly confirms the wave particle duality of quantum mechanics.
The effect is even more remarkable when done with individual particles such individual photons or electrons.
Richard Feynman liked to stress how this experiment can illustrate the core ideas of quantum mechanics. Notably, he night have created the infinitely many slits thought experiment which illustrates the path integral formulation.
Dual in-line package Updated +Created
Jordan Peterson Updated +Created
k-nearest neighbors algorithm Updated +Created
One of the most simply classification algorithm one can think of: just see whatever kind of point your new point seems to be closer to, and say it is also of that type! Then it is just a question of defining "close".
Light Updated +Created
Primary structure Updated +Created
Computer data storage hardware Updated +Created
Why it takes several days to enter inflammatory phase in COVID-19? Updated +Created
Why is it there such a clear separation of phases?
Why do people with mild symptoms go on to die? It is a great mystery.
Ciro Santilli's theory is that COVID is extremely effective at avoiding immune response. Then, in people where this is effective, things reach a point where there is so much virus, that the body notices and moves on to take a more drastic approach. This is compatible with the virus killing older people more, as they have weaker immunes systems. This is however incompatible with the fact that people don't seem to be contagious after the viral phase is over...
Homology (biology) Updated +Created

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