The US Army this month introduced its first new lethal hand grenade since the Vietnam War, a plastic weapon that uses shock ...

The U.S. Army last month introduced its first new lethal hand grenade since the Vietnam War, a plastic weapon that uses shock ...

Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago.

Ten years after Alejandro Aravena, Radic has become the second Chilean to be awarded what is considered the Nobel Prize of ...

Flow behavior of solid materials can have a significant impact on safety. These case studies illustrate how a better ...

The mass extinction at the boundary between the Cretaceous and Paleogene periods was catastrophic, wiping out much of life on ...

Pollen is actually a relatively large particle compared with smoke and many kinds of dust. A dedicated secondary filter ...

Commercial vessels are deploying high-tech sensors to map a shifting sea, providing critical data for scientists and some help for the industry. By Eric Niiler and Tristan Spinski The panel voted to ...

JPMorgan Chase CEO Jamie Dimon called for decisive U.S. action against Iran and says AI will transform the economy, comparing it to electricity and the internet. Musk's lawyers accused a Delaware ...

├── .claude/ │ ├── agents/ # AI 团队角色定义 │ │ ├── pm.md # 产品经理 │ │ ├── project_manager.md # 项目经理 ...