I remember running this experiment in high school. Use an odometer to accurately gauge the distance between a series of traffic lights. Record the on/off intervals of each light and make a distance vs. time plot showing all of the open light intervals. Draw a line through the open intervals and calculate the slope - that's one speed you can maintain and never stop.Mount your smartphone in the dash of your car and it could join a network of smartphones that watch traffic lights and tell you how fast to drive to get to the next traffic light without wasting gas. Researchers from MIT and Princeton say the technology, called SignalGuru, helped drivers cut fuel consumption by 20% in tests done in Cambridge, Mass. The see-all cameras could also note fuel prices and available parking spaces...
No. And you're lucky that he'll go 1 your-unit faster... around here, they go 1 our-unit slower after they pass! :lol:But will it stop the asshole behind me from tailgating, honking, and flipping me off when I'm not doing 10 over the speed limit (only to go 1kph over what I'm doing when he passes me)? :lol:
Haha, I had some asshole in a pickup truck tailgating me down the highway and flashing his lights at me. The second he had a chance to change lanes and pass me he pulled up next to me and leaned way out his window flipping me off and yelling what I assume were threats (he apparently didn't notice that my windows were down, I had no intention of rolling them down, and was too busy laughing at him). I then proceded to stay within 20 feet of him for the next hour, with my cruise control still engaged from before he passed me :lol:No. And you're lucky that he'll go 1 your-unit faster... around here, they go 1 our-unit slower after they pass! :lol:
:rofl: :winning:The fun part of the nature of such a system is that the solution is trivial, i.e. many speeds solve the equation. So in the 3 mile stretch my team plotted (with the event videotaped), we could go like 13, 32, 55, 92... of course the speed limit was 35 and we weren't allowed to break it, so we went 13 and succeeded just to piss the teacher off... :lol:
