Computer Latency: 1977-2017
When I saw this page a few years back I had an idea for a project.  I want to create the lowest-latency typing terminal I possibly can, using an FPGA and an LED array.  My initial results suggest that I can drive a 64x32 pixel LED array at 4.88kHz, for a roughly 0.2ms latency.For the next step I want to make it capable of injecting artificial latency, and then do A/B testing to determine (1) the smallest amount of latency I can reliably perceive, and (2) the smallest amount of latency that actually bothers me.This idea was also inspired by this work from Microsoft Research, where they do a similar experiment with touch screens: https://www.youtube.com/watch?v=vOvQCPLkPt4