This is neat: http://what-if.xkcd.com/38/
And I highly recommend the article he links to, The Tyranny of the Rocket Equation
I had some friends working on Hall Thrusters this summer at PPPL. Personally I'm rooting to see VASIMR-style thrusters get more use, but in general, plasma thrusters are really cool compared to chemical rockets.
Since I don't think this ever showed up in this thread, and Jonimus and I were marveling at it last night.
wrote an interesting article for Time in remembrance of the Spirit rover that I thought y'all might appreciate.
The title was also amusing.
The above link is sobering.... In rocket-science terms they simply used a big-guns approach to escape gravity. However they used something akin to a calculator to get them home...
It was truly a modern day wonder and we are still reaping the benefits of the technological advances which were made during that decade...
This is indeed rather cool
Can't wait to see how far along they manage to take things!
. I don't think I need to explain further.
Yeah, I need to add more topics to this, sorry.
Apparently they think they found a moon orbiting an exoplanet. If this is the case, this will be a first
Seems to me that the whole world will be available (almost) live at our fingertips sooner than later.
has a really cool representation of our solar system.
Well, the blackhole bit is kind of cool, the bit about how densely packed that galaxy is is even more so!
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