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My favorite of these display technologies is the PADD, or the Personal Access Display Device. Although the term was coined later in 1987 with the release of the Star Trek: The Next Generation series, it did actually make an appearance a few times in the original show, where it was used by various engineers and administrative staff.
Today, aspects of the PADD can be found in Apple's 9.7-inch and 7-inch iPad, dozens of Android-based tablets, and Windows 8 and Windows RT tablets, such as the Microsoft Surface.
The Enterprise computer and data banks
In addition to advanced display technology, human/computer voice interaction as featured on the many Star Trek series has also been implemented in various forms.
While most of us do not interact with our computers by talking, voice dictation using products such as Nuance's NaturallySpeaking (originally developed at IBM) allows for limited and specialized application by using voice commands and voice dictation.
"Expert" voice recognition systems used by airlines, telecommunications, and utility companies use voice recognition for accelerating call center screening. Although, when I use them, I tend to yell "Operator!" at the top of my lungs.
Apple's introduction of Siri in the iPhone 4, and Google's introduction of Google Now in Android 4.2, are "intelligent agents" that allow for retrieval of information from the internet using voice queries, and work eerily the way the original Enterprise computer did.
Star Trek's "Memory bank" technology, which enabled the crew and various alien civilizations to record and play back music and video in digital form, has also made its appearance as some of the most popular consumer electronic devices in the world — as iPods, portable media players, and digital video recorders, as well as Secure Digital and CompactFlash memory storage cards and the latest solid-state disk drives.
And the subspace Federation communications network and database that we've seen crew members use to access any kind of information at their fingertips is probably analogous to both the internet and the cloud.
The "Sickbay" on the Enterprise was a medical science marvel, filled with all sorts of fantastic tools with the capability to diagnose virtually any ailment in existence and perform complex surgeries on life-threatened patients with virtually no blood spilled.
While we've got a long way to go until we get the full set of medical tools that was available to Dr. McCoy, quite a few of Trek's medical gizmos have left their influence on real-life healthcare technology.
The magical diagnostic bed that displayed all sorts of metrics on patient vital signs that was used on the original series did eventually come to fruition as various independent diagnostic and health monitoring equipment used in hospitals today.
One of those is the LifeBed, which is a near-dead ringer for Dr. McCoy's sickbay. Similar diagnostic equipment has been used aboard the International Space Station (ISS) and in mobile field hospitals in the military. Naturally, advanced medical imaging technologies inspired by the original series and Next Generation sickbays made their way into CT and MRI equipment, which are a staple of modern medical diagnosis.