UCube speakers run off USB, are coming to an Amtrak quiet car near you

You can use these USB-powered UltraLink UCube speakers on a bus, on the beach, or on the table at your favorite McDonald's, but please -- for the love of god -- don't. Remember: with great convenience comes great responsibility, and if these speakers are as impressive as the dramatic marketing video below implies, disruption of the peace is about to know no bounds. At $150 per pair, these sleek