Nov 23, 2007 · Spacecraft components not directly exposed to space must still meet certain requirements, particularly for manned spacecraft where toxicity and flammability are concerns. …

I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and …

As experts in accounting, we argue that asking only for the financial return on space investments risks overlooking the wider and often more profound benefits that space spending provides.

We know space begins somewhere above our heads, but how far? If we “push the envelope” of a powerful jet fighter plane, we can barely make it to a height where the sky takes on a purplish color …

This book contains rules for Safety Standards for confined spaces, as adopted under the Washington Industrial Safety and Health Act of 1973 (Chapter 49.17 RCW). The rules in this book are effective …

It is a mysterious and so far unexplained fact that physical space has three dimensions, which means that it takes exactly three real numbers — say x1, x2 and x3 — to locate a point in space.

The main concern with working inside a configuration hazard confined space is the fact that getting into, moving around within, and/or getting out of this type of confined space can be dificult, hazardous, …