3 ms·
It's not that simple. The allocated spectrum is saturated so pointing a "loud speaker" at someone is not going to help if they can't hear anything in the first
by proee 16y ago
It's not that simple. The allocated spectrum is saturated so pointing a "loud speaker" at someone is not going to help if they can't hear anything in the first place.
- herdrick 16y agohttp://news.ycombinator.com/item?id=1411619 http://news.ycombinator.com/item?id=1411619