What form of anti-gravity is the most feasible?
Many sci-fi words use anti-gravity or artificial gravity to manipulate the weight of their ships making flight much easier. Wikipedia even has an article on it which discusses several attempts to make objects float.
The main approaches seem to be:
- Gravity shields
- Gyroscopes
- Warp drives
- Superconductors
- Exotic Matter
Which of these techniques (or any other) is most feasible to allow large ships to float into, out of and fly around within a planet's atmosphere?
I'm not after hard science (as the technology has not been invented yet), I'm after an evaluation of which approach to solving this problem is most feasible.
What is the most scientifically likely method of making a craft of a thousand tons (for the sake of argument) float?
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