Semiconductors designed for spacecraft face a range of extreme conditions that impact aging. A reliable source of power is also needed.

Using a thermal sensor smaller than a grain of sand, engineers have measured the vibrations, or phonons, within individual molecules.

Imagine you are playing the guitar—each pluck of a string creates a sound wave that vibrates and interacts with other waves.

After 12th, lakhs of students are admitted to BTech courses of various engineering colleges. The syllabus of every BTech ...

More information: William Hutchins et al, Ultrafast evanescent heat transfer across solid interfaces via hyperbolic phonon–polariton modes in hexagonal boron nitride, Nature Materials (2025).