May be a little late...infrequent poster...15-year bicycle commuter...Sorry of I'm breaching any protocol on this list....BUT I have to respond to Kristy's post about flashing lights. I don't know anything about seizures but to me it's another reason why flashing bike lights suck. The main reason, IMO, is that in the dark a flashing light makes it difficult to determine distance to the light. Yes, they get attention better, but I contend that any white light at night gets sufficient attention, and a flashing light, since it messes with depth perception, takes an inordinate amount of attention to decipher, and is therefore less safe.
Jason On Aug 25, 2012, at 3:31 PM, [email protected] wrote: > Send Bikies mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.danenet.org/listinfo.cgi/bikies-danenet.org > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Bikies digest..." > > > Today's Topics: > > 1. Fwd: News Alert: Lance Armstrong to be stripped of 7 Tour de > (mstuartev tds.net) > 2. Bike Lights & Seizures (KMSH) > 3. Re: Bike Lights & Seizures (Robbie Webber) > 4. Re: Bike Lights & Seizures (Patrick Lenon) > 5. Weekly Reminder- Next MAM Ride Mon Aug 27 @ 6:30pm > (We Are All Mechanics) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 24 Aug 2012 15:53:38 -0500 > From: "mstuartev tds.net" <[email protected]> > To: [email protected] > Subject: [Bikies] Fwd: News Alert: Lance Armstrong to be stripped of 7 > Tour de > Message-ID: > <CAMxbj7pAetqSzMOzH8cBHTywoz_EOB=x2i_dwwz6f_h39gu...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > News Alert: Lance Armstrong to be stripped of 7 Tour de.... > blah blah blah blah blah blah etc etc blah > Lance Armstrong... blah blah blah blah blah blah etc etc blah > Tour de France... blah blah blah blah blah blah etc etc blah > Big surprise that pro bike racers are doping... blah blah blah blah > blah blah etc etc blah > > Sorry, Tour de France... becoming the most boring sports event in the > world. They keep running it and either it never gets finished or no > one wins... what's the point? Just let them do the dope. Make dope a > requirement of doing the race. > > blah blah blah blah blah blah etc etc blah > > > ------------------------------ > > Message: 2 > Date: Fri, 24 Aug 2012 18:20:04 -0500 > From: KMSH <[email protected]> > To: bikies <[email protected]> > Subject: [Bikies] Bike Lights & Seizures > Message-ID: > <CABWpYCDeCCqL6S+kX4Y=87cfc29551t49cdj2hgms_sb6jh...@mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > I was biking home two nights ago at dusk along the lakefront path near > campus and saw a runner ahead jogging toward me. As he got close he said > "that light can trigger seizures" in a serious non-joking way, and then > kept on running. > > I have heard that flashing lights in videos can trigger seizures, and I > agree that my front light blinks annoyingly fast (it's Bontrager Ion > 2<http://store.trekbikes.com/product/bontrager+ion+2+headlight.do>, > from Trek), but is this really a big deal? I find that I am more visible > with a blinking light (as opposed to keeping it on steady), and it saves > batteries too. > > -Kristy > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120824/2745a758/attachment.html> > > ------------------------------ > > Message: 3 > Date: Fri, 24 Aug 2012 19:31:56 -0500 > From: Robbie Webber <[email protected]> > To: KMSH <[email protected]> > Cc: bikies <[email protected]> > Subject: Re: [Bikies] Bike Lights & Seizures > Message-ID: > <caot7dyzs1fnn2eqkhg8aly9ower50mvxfgsw0ts+z6bvx6p...@mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > OK, a couple of disclaimers: > 1. I am not a doctor or any type of medical professional. > 2. The information below is the result of about 15-20 minutes of on-line > research. > 3. Do your own research or ask a truly knowledgeable person to check my > information. > > Epileptics are the population that is really at risk. There is a milder > form of seizure in non-epileptics that basically makes people dizzy, but > isn't considered dangerous. > >> From what I can tell, rapidly flashing lights - at the rate of several > times per second - can trigger seizures in about 5-10% of epileptics, who > constitute about 1% of the population. I.E. about 5-10 people out of 1000 > might have problems with rapidly flashing lights. > > An epileptic responded to this very question that the time looking at the > light is important, and most people sensitive to seizures due to lights > know not to look directly at the lights, or to look away. > > I don't know how fast front lights flash, but they might not even be in the > range that are likely to trigger problems in susceptible persons. The > flash rate has to be really fast. > > Bicyclists have a right to protect themselves too, so you have to weigh > your own safety against that of the very small possibility that you will > happen to trigger a seizure in some facing you on the path or street. > > > Robbie Webber > Transportation Policy Analyst > State Smart Transportation Initiative > www.ssti.us > 608-263-9984 (o) > [email protected] > > > > On Fri, Aug 24, 2012 at 6:20 PM, KMSH <[email protected]> wrote: > >> I was biking home two nights ago at dusk along the lakefront path near >> campus and saw a runner ahead jogging toward me. As he got close he said >> "that light can trigger seizures" in a serious non-joking way, and then >> kept on running. >> >> I have heard that flashing lights in videos can trigger seizures, and I >> agree that my front light blinks annoyingly fast (it's Bontrager Ion >> 2<http://store.trekbikes.com/product/bontrager+ion+2+headlight.do>, >> from Trek), but is this really a big deal? I find that I am more visible >> with a blinking light (as opposed to keeping it on steady), and it saves >> batteries too. >> >> -Kristy >> >> _______________________________________________ >> Bikies mailing list >> [email protected] >> http://lists.danenet.org/listinfo.cgi/bikies-danenet.org >> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120824/de483afb/attachment-0001.htm> > > ------------------------------ > > Message: 4 > Date: Sat, 25 Aug 2012 01:51:58 +0000 > From: Patrick Lenon <[email protected]> > To: "[email protected]" <[email protected]> > Subject: Re: [Bikies] Bike Lights & Seizures > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > > I doubt VERY MUCH that a bike light could trigger a seizure unless you're > holding it in the person's face and propping their eyes open. This came up a > few years ago when a Pokemon cartoon caused a few seizures. > http://www.snopes.com/radiotv/tv/seizure.asp > I'm no doctor either, but I've knows a few epileptics and I'm very skeptical > of this. > > ------------ > Patrick Lenon > > Date: Fri, 24 Aug 2012 18:20:04 -0500 > From: [email protected] > To: [email protected] > Subject: [Bikies] Bike Lights & Seizures > > I was biking home two nights ago at dusk along the lakefront path near campus > and saw a runner ahead jogging toward me. As he got close he said "that > light can trigger seizures" in a serious non-joking way, and then kept on > running. > > > I have heard that flashing lights in videos can trigger seizures, and I agree > that my front light blinks annoyingly fast (it's Bontrager Ion 2, from Trek), > but is this really a big deal? I find that I am more visible with a blinking > light (as opposed to keeping it on steady), and it saves batteries too. > > > -Kristy > > _______________________________________________ > Bikies mailing list > [email protected] > http://lists.danenet.org/listinfo.cgi/bikies-danenet.org > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120825/38f1df0e/attachment-0001.htm> > > ------------------------------ > > Message: 5 > Date: Sat, 25 Aug 2012 09:43:40 -0700 > From: "We Are All Mechanics" <[email protected]> > To: "Bikies Listserve" <[email protected]> > Subject: [Bikies] Weekly Reminder- Next MAM Ride Mon Aug 27 @ 6:30pm > Message-ID: > > <20120825094340.07c0c84b2a3a7106dddbcf1230189d95.78f8a3cdaf....@email04.secureserver.net> > > Content-Type: text/plain; charset="us-ascii" > > An HTML attachment was scrubbed... > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120825/1cee1f4a/attachment-0001.htm> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: top.letterhead > Type: image/gif > Size: 12853 bytes > Desc: not available > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120825/1cee1f4a/attachment-0004.gif> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: bottom.letterhead > Type: image/gif > Size: 946 bytes > Desc: not available > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120825/1cee1f4a/attachment-0005.gif> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: left.letterhead > Type: image/gif > Size: 414 bytes > Desc: not available > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120825/1cee1f4a/attachment-0006.gif> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: right.letterhead > Type: image/gif > Size: 985 bytes > Desc: not available > URL: > <http://lists.danenet.org/private.cgi/bikies-danenet.org/attachments/20120825/1cee1f4a/attachment-0007.gif> > > ------------------------------ > > _______________________________________________ > Bikies mailing list > [email protected] > http://lists.danenet.org/listinfo.cgi/bikies-danenet.org > > > End of Bikies Digest, Vol 46, Issue 17 > ************************************** _______________________________________________ Bikies mailing list [email protected] http://lists.danenet.org/listinfo.cgi/bikies-danenet.org
