at lunesta.com discover a restful lunesta night. here's some stories to watch today on abc news. wall street investors will have an eye on labor department numbers on unemployment. a report on layoffs during the third quarter is being released today. christmas packages for military personnel overseas must be mailed today for on-time parcel post delivery. the post office has other options but it will cost you more. and the latest harry potter movie opens today in london. it premieres here in the u.s. in one week. >> i know you've got to leave here and start camping out. finally this half hour, nasa has put the most technologically advanced machines into space but now the british are going low tech, using a paper airplane. >> it sounds pretty weak. the amazing images you're about to see make up for it. here's the bbc's jon kay. >> reporter: it was an idea