Chelsea are trying to build enough 'escape velocity' to see off problems related to injury, form, and a high workload caused by the Club World Cup in the summer. Escape velocity, in space exploration ...

I was idly speculating about the various possible ways in which we can (at least in theory) get stuff from the Earth into space. One method might be to construct some kind of rail and accelerate an ...

If you like cool-sounding science terms, escape velocity should fit the bill. But what the heck does it even mean? Allow me to explain: What goes up, must come down. Surely you've heard this before.