Quote Originally Posted by EnJoY View Post
Airplane flight has only been around for little over a century and look how far we've taken that? If we had the same drive and science put towards space travel as we have towards air travel in our atmosphere, we'd be able to achieve a lot more, a lot faster. Where it stands now it hasn't really progressed much since the 70's, and that's sad.
Id say it's more a problem of energy. The problem is that we're still using fossil fuels. And propulsion techniques are yet to be improved. And aircraft have air to glide on...so tis a bit different...can't use scram jets in space or anything.