Louis Gerstner, the man who saved IBM, dies at 83 — industry mourns the passing of transformative CEO

Louis Gerstner, the executive who engineered one of the most important corporate turnarounds in the history of the high-technology sector, died at the age of 83 on Saturday. Gerstner took control over IBM in 1993 when it was at the brink of breakup and bankruptcy, rebuilt the company into a services-led enterprise, and restored its […]

7 mins read

What if Bitcoin blocks signaled the New Year? Creating Universal Bitcoin Time but trapping holders in a tax nightmare

Bitcoin miners produced block 929,699 on Dec. 27. What if that was the signal for a New Year’s moment, rather than our traditional calendar? The pitch is that block height, the ordered count of blocks every full node can verify, can act as a calendar layer for a market that trades and settles across jurisdictions. […]

7 mins read

Ranking Android OEMs from worst to best in 2025

Joe Maring / Android Authority 2025 was an eventful year for the Android phone ecosystem. Between the full-blown adoption of silicon-carbon batteries, Qualcomm’s Apple-rivaling Snapdragon 8 Elite processor, and more phones with integrated Qi2 magnets, there was a lot to get excited about. Which manufacturers excelled this year and which ones had a bad time, […]

17 mins read

Welcome to Kenya’s Great Carbon Valley: a bold new gamble to fight climate change

Cella and Sirona Technologies have a pilot program in the Great Rift Valley called Project Jacaranda.SIRONA TECHNOLOGIES “Climate change is disproportionately impacting this part of the world, but it’s also changing the rules of the game all over the world,” Cella CEO and cofounder Corey Pattison tells me, explaining the draw of Mwangi and Ndirangu’s […]

3 mins read

Critical LangChain Core Vulnerability Exposes Secrets via Serialization Injection

Dec 26, 2025Ravie LakshmananAI Security / DevSecOps A critical security flaw has been disclosed in LangChain Core that could be exploited by an attacker to steal sensitive secrets and even influence large language model (LLM) responses through prompt injection. LangChain Core (i.e., langchain-core) is a core Python package that’s part of the LangChain ecosystem, providing […]

3 mins read

RAG y búsqueda semántica – DEV Community

Hola a todos,Últimamente, veo una y otra vez el término “similitud semántica” asociado a la tecnología RAG. Lo encontramos en frases como: “Se seleccionan los documentos más similares semanticamente” “RAG introduce un paso adicional de búsqueda semántica” “Búsquedas basadas en similitud semántica” Pero, ¿qué es RAG en realidad? Si acudimos al artículo que acuñó el […]

2 mins read