Every week, the readers of our space newsletter, The Airlock, send in their questions for space reporter Neel V. Patel to answer. This week: how to produce artificial Earth-like gravity through ...

Imagine you want to study what happens when an object accelerates. Oh, this is way before any of that internet stuff—also, no computers or electronics. In fact, let's say it's the year 1780. What do ...

It is a table of mission parameters calculated by Jon C. Rogers for the book Spaceship Handbook. Six trajectories are listed Three impulse (rocket) types and three constant acceleration ...

In a dielectric laser accelerator, the large-amplitude fields responsible for the accelerating force are provided by a laser pulse. Of particular interest are lasers that operate in the optical or ...