I can’t say enough good things about f.lux. It’s a small and free little app that automatically changes the intensity of your laptop’s screen based on the time of day. If you frequently find yourself using the computer long after you should be asleep, you need this app.
Why don’t they make traffic cones from some sort of easily-pulverizable corn resin type material? I see a half dozen of those things on my drive to work every day, usually squeezed into a median barrier or precariously close to the shoulder. If they burst into little pieces — like the special effects shatter glass they use on movie sets — wouldn’t they be much less dangerous to drivers? Boom. There’s your million dollar idea for the day. Someone get working on that.