What if Einstein's relativity had gone differently?

Space and time turn out to be relative, and mass and energy the same thing.

If it had gone differently: Physics keeps Newton's absolute space and time; the road to nuclear energy, GPS and modern cosmology is blocked.

1. 1945The first electronic computers, Calculation stays the work of human "computers" with desk machines; the information age has no engine to run on.
2. 1957The first satellites, Space stays out of reach; there is no satellite weather, no global live television, no GPS.