Dragonflies perform upside down backflips to right themselves

The findings add to current knowledge of how insects fly and keep stable in the air. They could also help to inspire new designs in small aerial vehicles like drones, which can be useful for search-and-rescue attempts and ...

Adding or subtracting single quanta of sound

Researchers perform experiments that can add or subtract a single quantum of sound—with surprising results when applied to noisy sound fields.

Trapping light without back reflections

Researchers demonstrate a new technique for suppressing back reflections of light—better signal quality for sensing and information technology.

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