Colorado-based Sierra Space has successfully completed a test campaign of its new liquid oxygen and liquid hydrogen-fuelled upper stage engine at a US Air Force Base in California. Gurjant Randhawa, ...

Feb. 10, 2025 — A new paper has demonstrated that improving the texture of the soft metal used in battery anodes greatly improved performance. The team added a thin layer of silicon between ...

The technology represents a significant advancement in hydrogen refuelling capabilities, making the process more efficient and practical for all vehicle categories. In practical terms, a 40-tonne ...