6 ms·
http://en.m.wikipedia.org/wiki/Second-system_effect http://en.m.wikipedia.org/wiki/Second-system_effect not much has changed in the past 40 years
by joshdev 13y ago
http://en.m.wikipedia.org/wiki/Second-system_effect http://en.m.wikipedia.org/wiki/Second-system_effect not much has changed in the past 40 years