NTT's Human Interface Lab (Tokyo) has Cyber Finger,
an artificial hand driven by neural chips.  Coarse-movement 
training reportedly takes only two minutes.  [Newsbytes.
Bits & Bytes, 11/4/93.]  What's really special is the command 
sensor.  A wristwatch-size grid of sensors picks up activity in 
the wearer's hand and fingers.  No need for a bulky Data Glove.  
[Ruth Coxeter, BW, 11/15/93.]