Hi Jay, This didn't seem to come through liberationtech...
On Sun, Dec 14, 2014 at 5:35 PM, Chris Csikszentmihalyi <[email protected]> wrote: > > Hi Jay, > > Haven't worked on the LRAD yet, but one of my graduate students did build > what I think is the world's first Taser detector. It looked like a broach > and could be worn on your lapel or shirt pocket. Tasers generate AM waves > all over the spectrum, but the jolts are modulated and it was fairly easy > to pull out that specific signal. It had bluetooth and a nice phone app > that measured how many times and for how long you were tased and, > optionally, could make an outgoing call to your mom or the ACLU. > > curl http://web.media.mit.edu/~csik/adamTaser.mov > taser.mov > > It worked like a charm but in the end he kept the ham hock around for too > long in the grad student cube fridge and got food poisoning... you just > can't win. > > C. > > On Sun, Dec 14, 2014 at 3:05 PM, Jay Cassano <[email protected]> wrote: >> >> Hi Lib-Tech, >> >> I'm a freelance journalist covering the intersection of tech and >> politics. I'm wondering if any lib-techers know of or have experimented >> with ways to disable or reduce the sound from the long-rage acoustic >> devices that the NYPD has been deploying lately. LRADs were also used >> during Occupy. >> >> You know, maybe something like this? http://xkcd.com/368/ ;) (I know it >> doesn't quite work that way...) >> >> Protesters have been talking about the use of LRADs for a while now, but >> the Times just picked up on it in the recent >> #BlackLivesMatter/#ThisStopsToday >> protests: >> >> http://www.nytimes.com/2014/12/13/nyregion/lawyers-raise- >> concerns-over-shrill-device-used-by-police-during-garner-protests.html? >> >> If anyone knows of attempts to build such counter-measures or has ideas >> for how one might be built, please feel free to reply to me off-list. >> >> Thanks, >> Jay >> >> -- >> Jay Cassano >> Freelance Journalist and Editor >> Senior Writer, Fast Company >> Technology Correspondent, Waging Nonviolence >> www.jcassano.net >> @jcassano >> -- >> Liberationtech is public & archives are searchable on Google. Violations >> of list guidelines will get you moderated: https://mailman.stanford.edu/ >> mailman/listinfo/liberationtech. Unsubscribe, change to digest, or >> change password by emailing moderator at [email protected]. >> > > > -- > Chris Csikszentmihályi > ERA Chair & Scientific Director > Professor [image: m-itiLogo] <http://www.m-iti.org/> > ------------------------------ > www.m-iti.org | [email protected] | edgyproduct.org > <http://edgyproduct.org> > * "Art means… to resist the course of a world that unceasingly holds a gun > to mankind's chest." > > --Theodore Adorno* > -- Chris Csikszentmihályi ERA Chair & Scientific Director Professor [image: m-itiLogo] <http://www.m-iti.org/> ------------------------------ www.m-iti.org | [email protected] | edgyproduct.org <http://edgyproduct.org> * "Art means… to resist the course of a world that unceasingly holds a gun to mankind's chest." --Theodore Adorno*
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