> Nice idea, but others have tried that and failed Thank you for the background; however, "but" is probably not the conjunction you want here, unless you have

> Nice idea, but others have tried that and failed Thank you for the background; however, "but" is probably not the conjunction you want here, unless you have good reason to believe this can't be done? That wiki page suggests the project was technically sound but ran out of budget. Obviously things tend to fail the first few times you try them, especially when underfunded.