What if Powered flight had gone differently?

The Wright brothers keep a heavier-than-air machine up, under control, for 12 seconds.

If it had gone differently: Heavier-than-air flight stays a fairground stunt for another generation; the world shrinks more slowly.

1. 1957The first satellites, Space stays out of reach; there is no satellite weather, no global live television, no GPS.
2. 1969The Moon landing, No one leaves Earth; the high-water mark of 20th-century ambition, and a generation's sense of the possible, never happens.