Lubricating oils are the essence of oil-wetted machinery. Elements like calcium, copper barium, boron, molybdenum, magnesium, sulfur phosphorus, and zinc are employed as additives in lubricating oils ...

This is a “dry” lubricant, but it actually goes on wet. Once the solvent dries, the product leaves a thin film of dry polytetrafluoroethylene (PTFE)-the same product used to make nonstick frying pans.

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...