[Dimensio]

Perhaps he is implying that the observations of the ten different people directly altered the events under observation, which created a quantum fluctuation such that the accident actually did occur in ten different ways simultaneously.

Of course, I think that what's really happened is that you've trapped him but he's too much of a coward to admit that he has no idea what the Uncertainty Principle is or where and how it applies.

[longshadow]

Perhaps he is implying that the observations of the ten different people directly altered the events under observation, which created a quantum fluctuation such that the accident actually did occur in ten different ways simultaneously.

Well, if he had said it was a collision of sub-atomic particles, there might be some merit to the argument. But, as he specified that it was cars, and has further compounded the damage by claiming that observation modifies ALL observed phenomona, this really isn't going to get him out from under the mess he created for himself. Ignorance is a cruel misteress.