materials

The article explores how Roman concrete has endured for thousands of years, highlighting a 1,900-year-old latrine as a source of new clues about its remarkable durability. Researchers are studying the materials used in the latrine to understand the concrete's longevity.

The article discusses the challenge of reducing energy and material use to live within Earth's limits and highlights a historic Portuguese city that is beginning to successfully implement such measures after a decade of effort.

Scientists have developed a new imaging technique that captures ultrafast events in trillionths of a second, revealing structural changes previously invisible. This breakthrough allows real-time observation of phenomena like plasma formation, electron movement, and material transformations.