Red Lotus Technologies is now refining and pitching its PETALS technology for real-world use around the world. Short for Pattern Enhancement Tool for Assisting Landmine Sensing, the system connects acoustic sensors to smartphones, outputting a silhouette of what lies below onto the phone's screen. The company has expanded from an initial research project that paired mine-detecting sensors with the processing clout (and availability of) smartphones. It's now developed some tablet-based training equipment for de-miners and, working alongside the Landmine Relief Fund