The new technology, called Hyperloop, would consist of a tube with Concorde-like seating inside able to send passengers at 760 miles an hour on a cushion of compressed air
Photo: Flickr, CC Take a Step Back and Look As we near the moment when our planet officially hosts 7 billion people (of course this is just a statistical guess - nobody's sure precisely how many humans are on Earth), we need to take some time to think
