What are the main themes in 'ghosts in the machine short story'?

The 'ghosts in the machine short story' might explore the concept of consciousness or the soul in relation to machinery. It could be that the story presents a world where machines seem to have a life of their own, with 'ghosts' representing some form of sentience or hidden programming. For example, it could be about an old computer that starts to exhibit behavior that cannot be explained by its normal functions, as if there are unseen forces at work within it.

One main theme is over - reliance on technology. In the story, people depend so much on the machine that they lose their basic survival skills and connection with nature.

The main themes are probably related to war and its aftereffects. For example, it may focus on the memories that haunt soldiers long after the war has ended, which is where the 'ghosts' part comes in. It could also deal with themes of brotherhood among soldiers, as they face the horrors of war together. And it may touch on the theme of redemption, how soldiers try to come to terms with what they've done during the war.

One main theme could be the lingering trauma of war. The 'ghosts' might represent the memories and emotional scars that soldiers carry long after the war ends.

The main theme is time travel and its consequences. The Time Traveller goes into the future and discovers how humanity has evolved in different and often disturbing ways. It shows how society could change over time and makes us think about the future of our own civilization.

The main theme could be the conflict between innovation and the status quo. The flying machine represents new and amazing technology, but it also scares those in power who fear change and the potential chaos it could bring.

In 'the sound machine', the main plot involves a man who invents a sound machine. This machine can detect sounds that are inaudible to the human ear. He discovers that plants make screaming sounds when they are cut or harmed. It's a rather strange and thought - provoking story about the hidden world of sound and our perception of it.

I don't have enough information to determine the main characters. It could be a scientist who invents or studies the machine, a curious child who stumbles upon it, or a group of adventurers who are on a quest related to the machine.

The themes include brotherhood. The soldiers in the Ghosts form a very strong bond. And also the theme of sacrifice. They are often put in situations where they have to sacrifice for the greater good. There's also the theme of facing the unknown, as they are sent into all kinds of dangerous and uncharted territories.

The themes could include family and community. In the context of Southern short stories, family bonds are often strong. The stories in 'grace grits and ghosts' might show how families interact, their traditions, and how they deal with challenges together. Also, the community aspect can be seen in how neighbors and townsfolk relate to one another, and the role of local culture in shaping these relationships.