If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Fix This video file cannot be played Error Code 102630 when playing an Internet-based video in your default browser in Windows 11/10.

Meet FreeFileSync FreeFileSync is an open-source file synchronization tool that creates exact copies of your folders wherever you need them. Unlike dedicated backup apps such as Duplicati, which ...

A Special Diamond Is the Key to a Fully Open Source Quantum Sensor Quantum sensors can be used in medical technologies, navigation systems, and more, but they’re too expensive for most people.

Jannik Sinner returns to defend his title. We'll show you where to watch the Cincinnati Open online.

2025 Cincinnati Open finals: How to watch, full TV schedule, where to stream free and more If you buy something through a link in this article, we may earn commission.

Openai is making O3 level capabilities open source ahead of the release of GPT-5 in about two days. These open source models are trained for agentic workflows—supporting function calling, web search, ...

Ben Shelton and Karen Khachanov beat the top two seeds of the National Bank Open in Wednesday’s semifinal matches, advancing to the final. Shelton will face Khachanov Thursday at 7:30 p.m. ET.

Enter Copyparty, a one-file, one-language file server that's installed in seconds, and gives you local access to the device it's installed on from any device with a web browser on your home network.

Alexander Zverev will face Ben Shelton in the Cincinnati Open quarterfinal Friday at 7 p.m. ET. Zverev is 3-0 all time against Shelton, which includes two straight set wins in 2025.

U.S. companies and policymakers are mobilizing their response to free-to-use AI models from China.

OpenAI's gpt-oss models deliver real-world performance without requiring expensive infrastructure. Do hallucination scores matter?