3 ms·Not sure if this is sarcasm...by adestefan 13y agoNot sure if this is sarcasm...girvo 13y agoOh come on, calling it a modulator/demodulator totally gives it away :)adestefan 13y agoI like to give the benefit of the doubt but in general I just don't trust comments on HN anymore. Plus doing it with light is just way cooler.