9 ms·We only use 10% of our brains? That’s 100% wrong21 points by shinji97 12y agojokoon 12y agothe roads have car on them something like less than 1% of the time, that doesn't mean there are not enough cars on hte roads.xavierxf 12y agoSaying we only use 10% of our brains is like saying we only use 33.333% of traffic lights.