Joachim Posegga

Professor for IT-Security & RF enthusiast. In charge of and Affiliated with

[Matthew Green @matthew_d_green]

There’s something ominous about the speed with which the entire world has marched to require identification on platforms and, as I expected, begin the process of banning anonymous VPNs.

[kira 👾 @kirawontmiss]

i’m speaking for everyone when i say that drone shows are way better than fireworks

[Deedy @deedydas]

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..!

[Fermat's Library @fermatslibrary]

George Pólya on teaching John von Neumann

[DLR_next @DLR_next]

+++ 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. +++

[sysengineer @_sysengineer]

Take my money

[Joachim Posegga @DL7JP]

The keyboards were just wunderful...

[Today in Tech History @DayTechHistory]

On this day in 1981, @IBM introduced the first IBM PC.

[Physics In History @PhysInHistory]

Schrödinger's Cat is alive... and Pissed.

[Fermat's Library @fermatslibrary]

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.

[Joachim Posegga @DL7JP]

Thanks for the great conversation today @AmbAckermann and @SigmundGottlieb! https://t.co/L41GXw2RiJ brought many new insights.

[Albert Thomas @coolingreviews]

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

[tetsuo @tetsuoai]

George Hotz says that everyone should learn C and Assembly.

[Christoph Molnar 🦋 christophmolnar.bsky.social @ChristophMolnar]

I have the solution for detecting AI-generated text.

[Massimo @Rainmaker1973]

Meanwhile, inside the box, Schrödinger's cat plans its revenge.

[algoritmic @algoritmic]

Add coffee stains to LaTeX documents https://t.co/yDe1FuizRH

[Fermat's Library @fermatslibrary]

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.

[Joachim Posegga @DL7JP]

@tagesthemen *hint* ... das ist der Aussenminister von Saudi-Arabien.

[Research in Bavaria @researchbavaria]

PlsRT👆@jecovit @hkosch2 @mgrani @f_lemmerich @dl7jp @stherbold Thank you!

[Joachim Posegga @DL7JP]

@cybergibbons It was hard to program for F6CTE, so why should it be easy to use ? This is software for real radio amateurs, we fear nothing... 😁