How to Write a Powerful Scene

"I want you to do this for half an hour. About five, maybe ten minutes into it you will think, Mary, I hate you," he says. "You can not a scene because we're just thinking about description." And then the last go round is that I want you to describe the same room again,. But describe it as if it is in a specific genre style of fiction. So maybe it's a film... It's noir. Maybe it's ... I think fantasy. Police procedural romance. Pick a specific genre and try to evoke that genre. See how differently those descriptions wind up being.