De novo Updated 2025-07-16
Paywall Updated 2025-07-16
SMIC Updated 2025-07-16
Video 1.
SMIC, Explained by Asianometry (2021)
Source.
Symmetric bilinear map Updated 2025-07-16
Subcase of symmetric multilinear map:
Requires the two inputs and to be in the same vector space of course.
The most important example is the dot product, which is also a positive definite symmetric bilinear form.
Alice&Bob Updated 2025-07-16
Funding rounds:
Video 1.
Cat Qubits and LDPC Codes, a New Step Towards Quantum Error Correction by Alice&Bob
. Source.
Video 2.
Behind The Tech : Cryostats by Alice&Bob
. Source. Showcasing their Bluefors dilution refrigerators. They are named after Asterix characters.
Allan Holdsworth Updated 2025-07-16
Figure 1.
Allan Holdsworth performing in Central Park in (1978)
Source.
Video 1.
The Sixteen Men Of Tain
. Source.
Video 2.
Secrets Allan Holdsworth album
. Source.
Allen Wu Updated 2025-07-16
This situation is the most bizarre thing ever. The dude was fired in 2020, but he refused to be fired, and because he has the company seal, they can't fire him. He is still going to the office as of 2022. It makes one wonder what are the true political causes for this situation. A big warning sign to all companies tring to setup joint ventures in China!
Video 1.
ARM Fired ARM China’s CEO But He Won’t Go by Asianometry (2021)
Source.
Hive mind Updated 2025-07-16
TSMC Updated 2025-07-16
One of the companies that has fabs, which buys machines from companies such as ASML and puts them together in so called "silicon fabs" to make the chips
As the quintessential fabless fab, there is on thing TSMC can never ever do: sell their own design! It must forever remain a fab-only company, that will never compete with its customers. This is highlighted e.g. at youtu.be/TRZqE6H-dww?t=936 from Video "How Nvidia Won Graphics Cards by Asianometry (2021)".
Video 1.
How Taiwan Created TSMC by Asianometry (2020)
Source. Some points:
  • UCM failed because it focused too much on the internal market, and was shielded from external competition, so it didn't become world leading
  • one of TSMC's great advances was the fabless business model approach.
  • they managed to do large technology transfers from the West to kickstart things off
  • one of their main victories was investing early in CMOS, before it became huge, and winning that market
Erdős' conjecture on powers of 2 Updated 2025-07-16
Described at: arxiv.org/pdf/2107.12475.pdf where a relation to the Busy beaver scale is proven, and the intuitive relation to the Collatz conjecture described. Perhaps more directly: demonstrations.wolfram.com/CollatzSequenceComputedByATuringMachine/
SQL REPEATABLE READ isolation level Updated 2025-07-16
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 2025-07-16
Video 1.
The Day Today Episode 1: Main News Attack
. Source.
Video 2.
WAR! by The Day Today
. Source.
DNA amplification Updated 2025-07-16
DNA amplification is one of the key DNA technologies:
DNA methylation Updated 2025-07-16
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.

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