Here is the list of all the computing technologies in Solaris.
-Video calling (current technology, initial development began in 1927) - realistic
"The History of Video Conferencing," (Business Matters, January 8 2015) https://www.bmmagazine.co.uk/tech/history-video-conferencing/ (Accessed May 4 2020)
- Self driving car (under further development, first prototype unveiled in 1938) - realistic
Bonnie Gringer, "History of the Autonomous Car," (Titlemax.com, 2020), https://www.titlemax.com/resources/history-of-the-autonomous-car/ (Accessed May 4 2020)
- Digital video (current technology, developed commercially in 1986) - realistic
Ash Mosdell, "Understanding Video Technology," (Mosdellmedia.blogspot.com, December 4 2013), https://mosdellmedia.blogspot.com/2013/12/understanding-video-technology.html (Accessed May 4 2020)
- long distance space travel (in research) - possible in future
Paul Sutter, "Is Interstellar Travel Really Possible?" (Space.com, September 10 2019), https://www.space.com/is-interstellar-travel-possible.html (Accessed May 4 2019)
- hoverplanes suited for other planets (in research) - possible in future
"Ames Technology Capabilities and Facilities," (NASA.gov, March 29 2008), https://www.nasa.gov/centers/ames/research/technology-onepagers/mars-airplane.html (Accessed May 4 2020)
- large space station (in research) - possible in future
Ian Tucker, "Space Stations: Our Future Among the Stars," (The Guardian, March 18 2018) https://www.theguardian.com/technology/2018/mar/18/space-stations-iss-decommissioned-next-generation-orbital-base (Accessed May 4 2020)
- Solaris's visitors are a form of communication - possible in future
- Solaris's visitors are simulated humans - possible in future
- Solaris' visitors are a form of Artificial intelligence - possible in the near future