Epsilon (letter) Updated 2025-07-16
Confusingly, in LaTeX:
  • \varepsilon rendered , is the default modern Greek glyph
  • \epsilon rendered is the lunate variant
Equations of motion Updated 2025-07-16
These are the final equations that you derive from the Lagrangian via the Euler-Lagrange equation which specify how the system evolves with time.
Erase SSD securely Updated 2025-07-16
You can't just shred individual sSD files because SSD writes only at large granularities, so hardware/drivers have to copy stuff around all the time to compact it. This means that leftover copies are left around everywhere.
What you can do however is to erase the entire thing with vendor support, which most hardware has support for. On hardware encrypted disks, you can even just erase the keys:
TODO does shredding the
Eratosthenes Updated 2025-07-16
Erhu player Updated 2025-07-16
Erik Finman Updated 2025-07-16
www.unilad.com/technology/erik-finman-bitcoin-12-year-old-millionaire-invest-798094-20231207
In 2011, Finman made a deal with his parents that he would not pursue a college degree as he wanted to make his fortune outside of traditional education.
After receiving $1,245 from his grandmother that year, Finman invested into Bitcoin (BTC) - which was then trading at around $12 - and this gave him about 103 BTC.
Shame that he seems to be a American exceptionalism idiot. Perhaps it was inevitable given his circonstances. After a small market crash: x.com/erikfinman/status/1820457023013626322.
Opportunities like this come across only once every few years.
This ain’t financial advice…
But if you got the cash.
Never bet against America
Erotica Updated 2025-07-16
Escherichia coli Updated 2025-07-16
Size: 1-2 micrometers long and about 0.25 micrometer in diameter, so: 2 * 0.5 * 0.5 * 10e-18 and thus 0.5 micrometer square.
Genome:
  • 4k genes
  • 5 Mbps
  • www.ncbi.nlm.nih.gov/genome/167
  • wget ftp://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/005/845/GCF_000005845.2_ASM584v2/GCF_000005845.2_ASM584v2_genomic.fna.gz
  • wget -O NC_000913.3.fasta 'https://www.ncbi.nlm.nih.gov/search/api/sequence/NC_000913.3/?report=fasta'
Omics modeling: www.ncbi.nlm.nih.gov/pmc/articles/PMC5611438/ Tools for Genomic and Transcriptomic Analysis of Microbes at Single-Cell Level Zixi Chen, Lei Chen, Weiwen Zhang.
Escola da Ponte Updated 2026-01-30
Video 1.
Aprender em Comunidade by Prof. José Pacheco
. Source. In Portuguese. Title translation: "Learn in community".
Ethernet Updated 2025-07-16
Ethnic minorities in China Updated 2025-07-16
As of 2020 (TODO starting when) the Chinese government officially recognizes 55 minorities.
These minorities actually had different legal statuses, e.g. they were exempt from the One Child Policy.

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