- RESEARCH HIGHLIGHT
Video filmed at four trillion frames per second captures light in a flash

The writing of a letter A, as documented by a high-speed camera that created 4 images over the course of 12 trillionths of a second. Each colour represents an image seen at a separate wavelength of light and each column represents a particular elapsed time. Credit: Y. Lu et al./Phys. Rev. Lett.
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Nature 569, 603 (2019)
doi: https://doi.org/10.1038/d41586-019-01625-5