Completely agree. I am just thinking that it should be possible to make standalone units, which should be able to produce food from air. Units that do not need

Completely agree. I am just thinking that it should be possible to make standalone units, which should be able to produce food from air. Units that do not need any infrastructure. Which is a new concept. The alternative is to try agriculture in unstable environments, or depend on continuous help from outside. Of course there is still a need for rich helpful countries to develop and build these fictional devices.