Asset by Ciro Santilli 35 Updated +Created
Free by Ciro Santilli 35 Updated +Created
Renting by Ciro Santilli 35 Updated +Created
École Polytechnique alumnus by Ciro Santilli 35 Updated +Created
As of 2025, you can check if someone with a given name was at polytechnique and at which year at: programmes.polytechnique.edu/en/about/ecole-polytechnique/list-of-graduates
Domain name by Ciro Santilli 35 Updated +Created
Ciro Santilli has a hard time understanding why this is possible, e.g. many people use short 4 digit pins, or a short swipe pattern. Why can't this be cracked easily offline?
Feynman slash notation by Ciro Santilli 35 Updated +Created
Dynamic array by Ciro Santilli 35 Updated +Created
Klein-Gordon equation in Einstein notation by Ciro Santilli 35 Updated +Created
The Klein-Gordon equation can be written in terms of the d'Alembert operator as:
so we can expand the d'Alembert operator in Einstein notation to:
Images by Ciro Santilli 35 Updated +Created
Besides ASCII art, the huge majority of images is encoded with the AtomSea & EMBII system/format. All images in that system will be documented in that section.
Protests against larger block sizes by Ciro Santilli 35 Updated +Created
Protesters were posting large chunks of text multiple times into the blockchain as a way to protest against the controversial increase of block size.
tx 08893442680a20c4d0548dec2c8c421fa43336528b4e274dbf2652774f9c9f2d has the first copy of:
I like big blocks and I can not lie
which is the first line of a parody on:
I like big butts and I cannot lie
from the Baby Got Back hip-hop song.
tx 52159222289cd0a5afe0644150d0e23d5d272a57365627d5e869fdb458289858 has the first copy of:
Time to roll out bigger blocks
which is likely a copy of an email from the bitcoin development mailing list. This message is repeated dozens of times in other transactions.
Incoming links by Ciro Santilli 35 Updated +Created
By others:
Protein folding problem by Ciro Santilli 35 Updated +Created
Infineon Technologies by Ciro Santilli 35 Updated +Created
Stop codon by Ciro Santilli 35 Updated +Created
Quartz clock by Ciro Santilli 35 Updated +Created
Video 1.
How a quartz watch works by Steve Mould (2017)
Source. Mentions feedback loop loop with the quartz tuning fork for the piezoelectricity and an amplifier. Also mentions the choice of 32768 Hertz () as the first power of 2 that is outside of the human hearing range, and then how a frequency divider is used to reduce the frequency to get the second counter.

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