Here's a nifty party trick, courtesy of physics: how to bounce droplets of water on the surface of water.
Typically, when a droplet of water plunges into a pool of water, it will bounce slightly and then coalesce with the rest of the water. But there's a way to keep the bounce going indefinitely.
If you put the pool of water on top of a loud speaker, you can vibrate the surface. This vibration can cause water droplets to continuously bounce and levitate atop the liquid surface.
Physicists Pablo Cabrera-Garcia and Roberto Zenit from National Autonomous University of Mexico conducted the experiments and filmed them with a high-speed camera for your viewing pleasure.
Hit play or go to Link [YouTube]
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The frontier aspect was also important. There are planets run essentially by criminal cartels, like Tatooine, because the Empire was unraveling at the seams. Such uncontrolled areas are the breeding ground for revolution.
Make a movie or sell toys? Post-cinema marketing is everything today, and so characters and extras are made to be easily translated into a line of action figures. The movie becomes a vehicle for selling stuff to kids, and is diminished. It is a gigantic product placement.
It also works this way for making money, so it's not likely to end.