The successes and challenges of AI agents

AI has changed a lot in just two years. In 2023, most companies were experimenting with large language models. These tools helped with writing, research, and support tasks. They were smart, but they waited for instructions and could not take action on their own. In...

Hands-on with Nvidia NeMo Retriever

Nvidia was founded by three chip designers (including Jensen Huang, who became CEO) in 1993. By 1997 they had brought a successful high-performance 3D graphics processor to market; two years later the company invented the GPU (graphics processing unit), which caused a...

IBM can’t afford an unreliable cloud

On August 12, 2025, IBM Cloud experienced its fourth major outage since May, resulting in a two-hour service disruption that affected 27 services globally across 10 regions. This “Severity 1” event left enterprise customers locked out of critical resources due...