Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

Physicists have identified a new superfluid phase in a class of quantum systems that, until recently, looked too unstable and lossy to host such delicate order. Instead of destroying quantum coherence ...

The 2026 review of the United States–Mexico–Canada Agreement (USMCA) will determine whether North America can lead the way in a new era of geopolitical competition. Under Article 34.7 of the agreement ...

As one of the essential tissues of the knee joint, the meniscus plays a crucial role in load transmission, shock absorption and joint stability. Meniscal tears caused by degenerative diseases and ...

Vizient, a healthcare performance improvement company, has expanded its Reserve Program to include IV fluids through a partnership with Baxter, aiming to strengthen supply chain preparedness. The ...

One of the most frustrating things on a construction site is unexpected downtime. When you’ve put together a team of dedicated professionals, you want to use as much of their time as possible to ...

16–19 January Social Nationwide riots were sparked by the Sudanese Armed Forces’ (SAF’s) killing of South Sudanese civilians in Sudan’s Wad Madani city. Riots and looting affected Aweil, Bor, Juba, ...

The war in Ukraine has created an inflection point for Euro-Atlantic security. With the New START Treaty expiring in 2026 and no clear successor in sight, arms control as we know it is at risk of ...

Researchers at Penn, led by Physics and Astronomy professor Arnold Mathijssen, have discovered ways to achieve quality coffee extraction using fewer beans. Published in “Physics of Fluids,” the ...

Existing approaches for tunnel face stability analysis usually apply for circular cross-sections and solutions for tunnel face stability evaluation with city gate cross-sections by kinematic approach ...