Scientists from Singapore's Nanyang Technological University aren't keen on being wasteful -- that's why they've developed a toilet that uses 90% less water than other commodes and is capable of generating energy. Aptly named the No-Mix Vacuum Toilet, the porcelain pedestal's pot divides waste between two partitions -- one side for liquids, the other for solids -- and uses vacuum tech reminiscent of airline lavatories. Flushing fluid and solid wastes with 1 and 0.2 liters of H2O, respectively, the can will be able to route refuse to external processing facilities. Ferti