31–40 of 56 posts
Earlier quoted context omitted.
Perhaps you have a different meaning of the word energy? It will certainly take less radio energy to do what I suggested. And as for GSM, have a look at http://mobile.slashdot.org/story/09/08/17/0014235/Open-Sourc...
Perhaps he interpreted your comment to mean "less energy for the hacker to build" rather than "less battery power for the device to operate."
These are apparently illegal to use in the U.S. http://www.nytimes.com/2007/11/04/technology/04jammer.html
"The manufacture, importation, sale or offer for sale, including advertising, of devices designed to block or jam wireless transmissions is prohibited. 47 U.S.C. Section 302a(b)."
http://wireless.fcc.gov/services/index.htm?job=operations_2&...
I bet a ton of highschool professors wish they had one of these.
http://pcworld.about.com/od/wirelessphonesvoip/Should-Cell-P...
Earlier quoted context omitted.
And for good reason. Who wants to have their cell phone rendered useless just because they happen to be standing too close to someone who decided they're more important than everyone else around them.
Similarly, it's a good thing dangerous chemical kits are outlawed in the US. Who wants to have their house burned down just because they happen to be living too close to someone who decided they're more important than everyone else around them? update: Hey, why am I being voted down? Not trying to be a douchebag here. I really do view EM freedom as strongly correlated with normal-speech freedom. "Pirate" radio statio…
This isn't really a hypothetical problem either -- if anyone could broadcast anything at any frequency at any time I'm pretty sure everything would fill up with ads of some kind.
These are apparently illegal to use in the U.S. http://www.nytimes.com/2007/11/04/technology/04jammer.html
Probably beyond the abilities of a typical hobbyist: http://www.ladyada.net/make/wavebubble/index.html but since this is Hacker news.
This is more badass: http://www.amazon.com/Uranium-Ore/dp/B000796XXM/ref=cm_cr_pr...
By Lex10
Ungainly shape and small size proved to cause wet hands and canoe actually seemed to go slower. I'm not sure if there's any connection, but there were a lot dead fish floating on the way back. Very bad ore."
Earlier quoted context omitted.
You are interfering with the ability of others to communicate, it is the same as gagging everybody around you, which is about as rude as you could possibly get. When somebody wonders out loud why their cell doesn't work, especially if the call they need to make is an urgent one and you whip out your 'gadget' be prepared for nasty stuff to happen to you. Interfering with any kind of communication is about as low as yo…
Talking loudly on a cell phone, oblivious to the tranquility you destroy around you -- that will come pretty close. I'd like to think restaurant patrons and mass transit commuters had consideration for others (and the presence of mind to talk quietly) but they often don't. Jamming is probably not a good solution, though.