tac·tile ( P ) Pronunciation Key (tktl, -tl)
adj.
1. a. Perceptible to the sense of touch; tangible.
b. Characterized by or conveying an illusion of tangibility: “Heaney must thus continue to be a poet rich in tactile language” (Helen Vendler).
2. Used for feeling: a tactile organ.
3. Of, relating to, or proceeding from the sense of touch; tactual: a tactile reflex.
[From Latin tctilis, from tctus, past participle of tangere, to touch. See tact.]
Definitions 1a, 2 and 3 are relevant.
If you closed your eyes and tried to type on that laser keyboard, it would be a guessing game as to which keys you would be hitting.
Also, the absence of key travel is unnerving.