oracle99's latest activity

Yes, I understand it is only percieved time elapsed, the traveller cannot actually travel faster than light.

In the original question I made a point if returning the traveller to the original frame of reference, earth. Obviously i bow to your...

I understand that the traveller is not literally travelling faster than light, just that you would percieve that, in that time frame...

There is an old joke "you can put a billion dollars worth of plutonium into a suit case, but only briefly.."

So if you travel 3 years you get sqrt(3*3+1)-1= 2.16 light years, about half way to Alpha Centauri, so decelerate is the same, so approx...

I thought about it in these terms: If you converted the entire mass of the earth into energy, (by E=mc2) that vast amount of energy...

Just a simple little question as my first post here.. Suppose you have a space craft that has an engine that can exert an acceleration...