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Bicycle Butt Laser

A vibrating laser beam emanating from your seat
  (+10)(+10)
(+10)
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When cycling at night, even with a red light on the back of your bike, drivers may not see you because you occupy only the edge of the road. I propose a laser, mounted under the seat that projects down, back, and sideways onto the middle of the traffic lane. It vibrates, so instead of a spot it makes a circle on the road.

A motorist approaching from behind will see an area of light directly in his line of sight.

(It does look like a little laser coming out your ass, but that will only make drivers pass with extra caution.)

AO, Aug 24 2004

Illustration http://www.geocitie...ign/bike_laser.html
[AO, Oct 05 2004]

Now Baked http://www.lightlanebike.com/
Bike mounted lane projector [MechE, Dec 18 2009]

Bike Lane Safety Light http://thexfire.com...e-lane-safety-light
[xaviergisz, Sep 26 2012]

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       Interesting...I think the link helped clear up some doubts I had. All in all I give this a plus.
Machiavelli, Aug 24 2004
  

       How about an upscale version with laser show technology so you get this on the road:   

       BIKE ---->
krelnik, Aug 24 2004
  

       a (+) from me, but extra delight if you can spell out useful words like [krelnik] suggested.
neilp, Aug 24 2004
  

       It could also make a circle around the bike. +
sartep, Aug 24 2004
  

       "Burning Ring of Fire", more like!. +
gnomethang, Aug 25 2004
  

       "Bicycle Butt Laser™ -- It Will Save Your Ass"   

       A half-second earlier in the illustration, the laser was shining on the side of the van. Don't light the street, light the rider. Point your vibrating projection at the back of the bicyclist. He may need a reflective patch on his back (or butt, whichever is larger) for effective illumination -- after which, he won't need the laser anymore.
Amos Kito, Aug 25 2004
  

       Nice one, [AO]. Good to see ya.
yabba do yabba dabba, Aug 25 2004
  

       //It could also make a circle around the bike//   

       Only if it was head-mounted.
destructionism, Aug 25 2004
  

       Use a green laser for better visibility (apparently the eye can see this more easily). That's why green laser pointers can be seen going through the air, but the power rating is not over the recommended limit.
Ling, Aug 25 2004
  

       isn't red a more appropriate tail light warning colour?
etherman, Aug 25 2004
  

       Not if you can't see it.
Ling, Aug 25 2004
  

       Worth baking. You could make a small fortune. Ahem, ah, nevermind. Could someone show me the way to the patent office?
RayfordSteele, Aug 25 2004
  

       "Golly Mildred, what's that green arrow in front of us mean?"
"Uh, it must mean we're supposed to move over into the right lane."
FarmerJohn, Aug 26 2004
  

       "Golly Mildred, how'd you get your drivers license?"
yabba do yabba dabba, Aug 26 2004
  

       Mmm - I can see fully-fared sports bikes with sprays of pulsating colour surrounding them - shooting down highways like multi-coloured suns.
Nontaigne, Aug 26 2004
  

       Hah, you could have some fun with this:
"Bus lane"
"Stop"
"No entry" "20mph" "Give way"
Ling, Aug 26 2004
  

       'Wrong way: Exit only!"
ye_river_xiv, Oct 25 2008
  

       RE: Link "Now baked"   

       Hah! It's green.
Ling, Dec 18 2009
  


 

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