b ellana torres

Time Center sources were reportedly disturbed by news that Earth sources had developed a "real-life" tricorder.

Then, they all had a laugh, realizing that it was only being called that by Purdue Professor R. Graham Cooks:

"We like to compare it to the tricorder because it is truly a handheld instrument that yields information about the precise chemical composition of samples in a matter of minutes without harming the samples."