We built it on Claude Sonnet 3.5 in early 2025. We upgraded to 3.7 without incident, and to 4.0 without incident. By the time ...

随着人工智能技术的飞速演进，智能代理（AI Agent）已从单一任务执行工具向多模态协同系统转变。传统单智能体工具在复杂业务场景中逐渐暴露出局限性，如任务处理能力单一、跨系统协作困难、企业级部署复杂等问题，难以满足现代业务对智能化、自动化的 ...

String theory attempts to unify general relativity and quantum theory. Popular in the 1990s, string theory fell out of favor as it failed to provide testable predictions and required ten dimensions ...

Physicists may have uncovered a surprising new clue that string theory—the idea that the universe is built from unimaginably tiny vibrating strings—could be more than just a mathematical fantasy.

天给大家整理五个必须会用的 f-string 高级技巧，覆盖数字、文本、时间、调试等高频场景，学会后代码又短又优雅！ 作为Python开发者，格式化字符串几乎是每天必写的代码。从最早的 % 格式化，到 str.format()，再到如今的 f-string（Python 3.6+），它凭借简洁、高效 ...

If you could take an apple and break it into smaller and smaller parts, you would find molecules, then atoms, followed by subatomic particles like protons and the quarks and gluons that make them up.

Harman Technology has just given large format photographers exactly what they have been asking for, with the launch of Ilford Pan F Plus in 4x5 and 8x10 sheet film formats for the very first time. For ...

Harman Technology had announced the release of Ilford Pan F Plus black-and-white film in large-format sizes. New versions of the fine-grained film – especially popular with landscape and fine-art ...