So - called biometric forms of identification such as voice recognition and retinal scans have been staples of science fiction for decades, and the former has advanced far enough that it is now possible to ask a computer for directions while driving or to converse with a computer over the phone. (discovermagazine.com)
Interstellar travel, a timeworn staple of science fiction, can already be science fact if one has cash to spare. (scientificamerican.com)
Interactive 3D holograms are a staple of science fiction — from Star Wars to Avatar — but the challenge for scientists trying to turn them into reality is developing holograms that are thin enough to work with modern electronics. (sciencedaily.com)