... like they were saying : thankfully she only drives once a week... Why "Thankfully"? She may very well be perfectly competent. Stirling Moss anyone? At 78 he can probably outdrive everyone in here and I reckon he'd still give us a good run at 100. -- Conor Light travels faster than sound. This is why some people appear bright until you hear them speak.........

... to know what is beyond the headlights. He may be wrong sometimes - there may be a cliff at the end of his headlights instead of a road. But if he is careful he will not outdrive his headlights so the fact that his inference is incorrect is not relevant. Physicist always imply a region of applicability for their predictions. They know that Newton's Laws are valid only under certain ...