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Called Thirst, the app sends hydration alerts based on current weather conditions and allows users to take and share pics mid-workout on the app's microsite.
Throw in some steamy, sodden clothes and out comes pure water. It tastes great because you worked for it.
A small 15th-century chapel in the south-west of France boasts, as gargoyles, Ridley Scott's Alien, Gizmo and a gremlin.
Google, Garmin and great big space planes are among the winners of The Economist's Innovation Awards 2012.
Relying on UV in sunlight as a purifier, the Solar Bag could help people without clean drinking water.
Claims of cyberwar are overblown, but things are definitely heating up in regard to international conflicts where malware is replacing drone strikes.
The CamelBak All Clear is a portable water bottle that uses UV-C light to disinfect. The water bottle is designed to last for years.
Concept coat collects rain in its large collar, filters it through charcoal, and stores it around your hips to satisfy your thirst. Who needs water fountains when you can wear your own water collector?
Could sewage be the holy grail for clean fuel? The Orange County Sanitation District in Fountain Valley, Calif., recently opened the world's first tri-generation fuel cell and hydrogen energy station, which uses sewage biogas to produce heat, electricity, and hydrogen.
With stingy, risk-averse customers, it's tough to commercialize new water purification technologies. Start-ups are focusing on a niche to get a foothold.