array9

- Space is full of pairs of particles being formed and destroyed.
- if you grabbed a pair and chucked them out of the back of your space ship, you would propel yourself in the other direction. You might only need to reflect then in the right direction.
- hey presto, you have a rocket with no propellant.

Actually you had propellant, but it disappeared from whence it came.

There might be ripples in the froth of the vacuum, so the conservation of momentum might not be broken

Martin

# posted by martinW @ 8:36 am