Team Geared Up

BBC NEWS | Science/Nature | Sat-nav looks to smart ideas: “The German company HCL Technologies, from München-Hallbergmoos, is working on an inexpensive device that would help developing-nation fishermen decide where to put down their nets.

It relies on the principle that satellite signals ’slow down’ as they come through the atmosphere. HCLT will use these tiny ‘errors’ to infer where the air is heavy with water and link this with the observation that such locations are often rich with fish in the sea below.”