> A warp drive is theoretically possible, Dubious > and also driven by boring chemical/thermal/electrical interactions. Implausible exotic matter, negative e

> A warp drive is theoretically possible, Dubious > and also driven by boring chemical/thermal/electrical interactions. Implausible exotic matter, negative energy, etc, are usually prerequisites. Just like the existence of flying birds were a hint that flying machines might be possible, the existence of thinking creatures is a hint that thinking machines might be possible.