Take a look at this color E Ink e-reader - the Kaleido pocketbook:
Some readers might be thinking about Stanislaw Lem's opton from Return from the Stars.
The books were crystals with recorded contents. They can be read the aid of an opton, which was similar to a book but had only one page between the covers. At a touch, successive pages of the text appeared on it.
Scroll down for more stories in the same category. (Story submitted 6/15/2021)
AVATECT Prevents Spoofing Of Avatars
'Your physical appearance is a graphical encryption that the human mind is uniquely qualified to decode.' - Daniel Suarez, 2009.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
Do AIs Create Their Own Language?
'the Mentanicals have begun to acquire a faculty not primarily given them by their inventors — the faculty of speech...'