Hi, I've come to this newsgroup for some help with a question regarding the behavior of a billiard ball on a string which is rotating about a central point....

Could someone direct me to a text version (ie regular Word text) of a 'pulse high' symbol? I've been looking everywhere but it's quite difficult. Thank you.

I have been very curious lately about the fuel cell technology, and I am interested in trying out a few demontrations on my own. I've found a few sites on the...

Does Cassini have enough propellant that it would be possible to perform Titan orbit insertion (TOI)? If so, and if Cassini would be placed on an orbit of...

I am looking to pick up a space oriented educational DVD for my 10 year daughter for Christmas. Any recommendations? Thanks, Dave

Hi, I'm a scientific researcher in a french company. I'm looking for materials having good acoustic and thermic insulation properties. What parameters are...

About 10 years ago I was using a Mac and a program called Voyager II. It was a great program, I still use it today on this ancient Mac laptop I got off eBay....

How long do plutonium batteries last? What voltages do they come in? --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system...

hello there. i am writing a paper on the space tourism trend, and would like to trade email with some scholars and/or those interested in traveling into...

There's a cute illustration of the tendency for optical spysats to have orbits optimized for, among other things, sun angle and time of day at...

I'm interested in developing a sun sensor (or maybe a horizon sensor) for a low-cost, amateur, high altitude project. However, I'm having some difficulty...

Another form of fullerene material has been developed: http://www.sciencedaily.com/releases/2004/10/041022105021.htm Could graphene sheet-reinforced...

space cobwebs Looks like good news on producing fibers with the strength of spider silk, in quantity, for constructing the support member for that elevator...

I read recently that there is a great need for several tons of lunar regolith simulant. What would be required for someone to supply that need? How hard is it...

I just received my copy of Paul Gilster's new book _Centauri Dreams: Imagining and Planning Interstellar Exploration_. This is a book about people working on...

From space.moderated: ScienceDaily.com has the NASA press release on the US ELCSS water recovery...

richie086 wrote in : Hey.. I have a question. would the use of balloons to lift...

www.advancedphysics.org] Hi, I'd like to ask about the idea of pulsed ion thrust for earth-to-orbit spacelaunch. Chemical rockets are currently the only...

1) I understand the speed required to gain orbit is most of the energy expended by a space craft, relatively little is used to actually gain altitude itself....

"Abrigon Gusiq" wrote in message ... I know a bit like science fiction, but what is the plans and...