Although far from the oldest writing we have found, these cylinders are 500 years older than any previously known example of alphabetic script, if that is indeed what they carry.
Although initial exposures produced faint images that required long exposure times ... Recognising the limitations of silver images, Talbot sought a method to reproduce images using a printing press.
Chris Curran, Northern Kentucky University (THE CONVERSATION) Scientists have often invited the public to see what they see, using everything from engraved woodblocksto electron microscopesto ... and ...