A flashbulb emits a high-pitched hum. A photograph of the legendary 19th-century abolitionist and newspaperman Frederick Douglass fades in on-screen.
Source:
https://phys.org/news/2020-07-smartphone-witnessing-synonymous-black-patriotism.html
Only the Autodidact is Free
A flashbulb emits a high-pitched hum. A photograph of the legendary 19th-century abolitionist and newspaperman Frederick Douglass fades in on-screen.
Source:
https://phys.org/news/2020-07-smartphone-witnessing-synonymous-black-patriotism.html