Joachim Posegga (@dl7jp) 's Twitter Profile
Joachim Posegga

@dl7jp

Professor for IT-Security & RF enthusiast. In charge of qrz.com/db/DA0UP and hamnetdb.net/?q=DB0HUP. Affiliated with pids.uni-passau.de/en/

ID: 519918497

linkhttp://www.qrz.com/db/DL7JP calendar_today09-03-2012 23:32:59

625 Tweet

292 Followers

109 Following

Fermat's Library (@fermatslibrary) 's Twitter Profile Photo

"There can be no dull numbers, because if there were, the first of them would be interesting on account of its dullness" - Martin Gardner

"There can be no dull numbers, because if there were, the first of them would be interesting on account of its dullness" - Martin Gardner
Matthew Green is on BlueSky (@matthew_d_green) 's Twitter Profile Photo

I threw together a quick blog post explaining the recent attack on AirDrop privacy, and how Chinese law enforcement is exploiting it. blog.cryptographyengineering.com/2024/01/11/att…

Fermat's Library (@fermatslibrary) 's Twitter Profile Photo

Take the alphabet and do the following conversion: A = 1 B = 2 C = 3 ... Z = 26 Words are sums of the corresponding letter values. The word PRIME is prime.

Josiah Draper (aka Albert Thomas) (@coolingreviews) 's Twitter Profile Photo

Holy hannah! Disabling web search on the start menu makes it so much faster and effective. No lag at all anymore! HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Search Make a new DWORD (32-bit) called: BingSearchEnabled Ensure the value = 0

Fermat's Library (@fermatslibrary) 's Twitter Profile Photo

The concept of zero (0) was formalized by the Indian mathematician and astronomer Brahmagupta in the 7th century. In his work "Brahmasphutasiddhanta" (628 CE) he defined zero and established arithmetic rules - addition, subtraction, multiplication, and division with zero.

The concept of zero (0) was formalized by the Indian mathematician and astronomer Brahmagupta in the 7th century. In his work "Brahmasphutasiddhanta" (628 CE) he defined zero and established arithmetic rules - addition, subtraction, multiplication, and division with zero.
DLR_next (@dlr_next) 's Twitter Profile Photo

+++ Einer guten Tradition folgend einmal mehr unsere nachdrückliche Empfehlung: Bitte in der Nacht auf Sonntag nicht - wir wiederholen: nicht - die Zeit umstellen, sondern nur die Uhren. Wie schon oft angemerkt kann es sonst zu Rissen im Raumzeit-Kontinuum kommen. +++

Deedy (@deedydas) 's Twitter Profile Photo

We JUST solved a hard open math problem— the moving sofa problem! "What is the area of the largest shape that can be manuevered through an L corner of width 1?" On Dec 2, 2024, Korean Jineon Baek proved the answer is the 18 curve section Gerver's sofa with area 2.2195..!