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

Images of the letter A written in dye, acquired at distinct wavelengths and different time delays

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)




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