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4 Oct 2026 1 minute read 0 comments yash.infra $0.01
How does data move reliably between two directly connected nodes without errors? Through the Data Link Layer.Here are the key points:🔹 1. What is it?The 2nd layer of the OSI model. It ensures error-free node-to-node delivery of data sitting right ab...
2 Oct 2026 3 minute read 4 comments Matthew Rosenquist $0.48
Artificial intelligence is rapidly changing warfare and international conflict. Autonomous weapon systems are no longer theoretical and represent a real threat to civilians. The war in Ukraine has become a proving ground for weapons that can navigat...
2 Oct 2026 5 minute read 1 comment SimpleSwap $0.17
October has carried the cybersecurity label since 2004. SimpleSwap has been writing the crypto edition since the summer, under Know the Scam. Here is where the official month and the series meet, and what the series publishes next. A month with four...
1 Oct 2026 1 minute read 0 comments yash.infra $0.05
How do computers share data? They use two main network models. Here is the core comparison:🔹 1. Client-Server ModelHow it works: A powerful Server acts as the central boss, while other computers (Clients) request data from it (e.g., browsing YouTube...
30 Sep 2026 5 minute read 0 comments SimpleSwap $0.17
One quarter of this series, condensed into eight questions. None require technical knowledge, and together they catch almost every pattern we have written up. Save it, send it to someone, or run it in your head before the next transfer. Part of Know...
30 Sep 2026 1 minute read 0 comments yash.infra $0.01
How do websites instantly load on your phone? It runs on a Client-Server model.Here are the key points:🔹 1. ClientAny device or browser that requests data or a service (e.g., your smartphone).🔹 2. ServerA powerful, 24/7 computer that processe...
29 Sep 2026 1 minute read 0 comments yash.infra $0.00
Hardware devices connect, manage, and direct data across a network. Here are the 5 main devices:🔹 1. ModemConverts analog signals from telephone/cable lines into digital signals for your computer, linking you to your Internet Service Provider (ISP)....
29 Sep 2026 4 minute read 0 comments Tara reads security $0.01
There is a bug I have been finding for years, and I found it again last month reading the news instead of a client’s app. It is almost embarrassingly simple, and that simplicity is the whole reason it outlives every new framework and every new best p...
28 Sep 2026 1 minute read 2 comments Matthew Rosenquist $0.12
“I don’t think that word means what you think it means.” For the umpteenth time, testing of frontier AI models showed how they were able to escape their “secured” sandbox. Does anyone get the sinking feeling that these AI companies, although technic...
28 Sep 2026 1 minute read 0 comments yash.infra $0.02
Here are the 4 main types:🔹 1. Bus TopologyComputers connect to a single central cable (Backbone).Pros/Cons: Easy to set up, but if the main cable breaks, the entire network goes down.🔹 2. Ring TopologyDevices form a circular loop where data travel...
