Factual error: When New York is destroyed by the fireball, the Times Square giant TV (& other electrical items) is still on (although no picture - just static), but the super-flare would cause electrical items to overload before the main fireball hit, almost like an EMP.

Factual error: When John Kostler arrives in New York from Massachusetts, they pan out and show him crossing the Brooklyn Bridge. There is no logical way, on the route to Manhattan from New England, that one would cross this bridge. It would require him to travel completely out of the way, and judging by the competence of the protagonist, it becomes obvious this was used for visual effect only.


Factual error: Cell phone signals are repeatedly blocked by electromagnetic radiation from the sun. However, GPS devices, which receive a much fainter signal from satellites, continue to operate. For that matter, television broadcasting, which relies on satellite relays, continues until the end of the film.

Factual error: Almost at the end of the movie, when John is driving in a crowded street just before joining with his parents, there is a shot showing a Water Delivery Service Car fully charged which is not possible due to the emergency. It is supposed to be empty because of people taking water for themselves. (01:51:10)


Factual error: The aircraft that crashes in the movie is an Airbus A320-200, but however the wing strobe lights (white blinking lights on the end of the wings) are flashing in single phase (only flashing once a second), Airbus aircraft flash twice every second, only Boeing flicker once.

Factual error: The 9/11 death toll of 2996 - which John Koestler notices on the sheet of numbers - is the overall total for that day's attacks. But it is next to New York's co-ordinates, and the other attack sites have their own entries with locations and death tolls.


Character mistake: The newspaper article states that Lucinda was thirty-three at the time of her death in 1988. However, that would make her just four years old when she wrote the time capsule note in 1959 - four years old in the 3rd grade?

More mistakes in Knowing

Diana Whelan: What happens when the numbers run out?

More quotes from Knowing

Trivia: The same actress plays Lucinda and her granddaughter Abby.

Cubs Fan
More trivia for Knowing

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