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originally posted by: pfishy
a reply to: Thebel
The force of gravity is different for each object, and the further from an object you get the weaker it's gravitational pull on you is. You are quite correct.
But the G Force being discussed is the force experienced during acceleration. Which is measured in equivalent to the force of Earth's gravity at sea level. 1 G.
This is why when people claim things are IMPOSSIBLE TODAY it might not be IMPOSSIBLE TOMORROW.
originally posted by: HawkeyeNation
Very slowly we start seeing technology leak out. This type of drive has been working probably much longer than 15 years ago. I truly believe we have FTL drives and have had them for years. Generally I like to think that what we (the public) have now we probably had 50 years ago (military).
originally posted by: jaffo
No, no, and no. This is a lot of hot air. The thing does not work as advertised. I wish it did, but it does not.
www.iflscience.com...
originally posted by: reldra
originally posted by: jaffo
No, no, and no. This is a lot of hot air. The thing does not work as advertised. I wish it did, but it does not.
www.iflscience.com...
From the OP "Nevertheless, we do observe thrust close to the actual predictions" ...that would sort of mean it does produce thrust and enough to match the information given by the people that make it?
originally posted by: MystikMushroom
originally posted by: HawkeyeNation
Very slowly we start seeing technology leak out. This type of drive has been working probably much longer than 15 years ago. I truly believe we have FTL drives and have had them for years. Generally I like to think that what we (the public) have now we probably had 50 years ago (military).
I have a feeling you're probably onto something here.
I think what we're seeing is a "nudge nudge" to a scientist here, a "little help" to a scientist there...
So, from the outside it appears civilian scientists are coming up with all this on their own, but little clues and helpful hints are being dropped here and there by the M.I.C scientists.
There was an episode of Stargate: SG1 where the Carter and another scientist had some advanced laser based on alien technology they were supposed to demonstrate to a bunch of civilian scientists.
They intentionally made the test fail to discourage further development of the laser-like device.
I bet you'd be surprised at how accurate something like that may be...
originally posted by: jaffo
So what it actually does is produce a tiny, tiny, tiny amount of thrust, the origination of which is uncertain. It most assuredly has not at any point in time been shown to produce anything even close to what would be required to get to the Moon in 4 hours or Mars in mere days. As another poster noted earlier, it has not even been shown to be capable of lifting something a foot or even an inch off of the ground.
originally posted by: pfishy
a reply to: jaffo
But, just as a proof of concept it is interesting. The first ion drive was woefully underpowered for any practical application, and Von Braun's first rockets could not acheive escape velocity. But if this device does indeed produce thrust without fuel, and proves to be scalable/improvable, it could be the beginning of something amazing.
originally posted by: Wide-Eyes
a reply to: Nibbles
Do you even get g-forces in a vacuum?
Eta: Seriously though. When people are in orbit they are travelling 17k or 27k, I forget the speed but it's mega fast. Are they feeling the Gees? I think not. Speed in space is irrelevant when there is no gravity as far as I know.
Please correct me if I'm wrong.