Apart from the question about whether it produces any thrust, there is also the question of whether it will lead to any interesting scientific discoveries. For example, if it turns out that there was a bit of contaminating material that evaporated, the thrust is real but the space-faring implications are not...
Apart from the question about whether it produces any thrust, there is also the question of whether it will lead to any interesting scientific discoveries. For example, if it turns out that there was a bit of contaminating material that evaporated, the thrust is real but the space-faring implications are not...