Wireless accelerometers and other types of sensors transmit data at the speed of light (taking into account delay on networks). The technology could be used to build an earthquake warning system; in 2010, HP sold the technology to Shell for hydrocarbon exploration.
- Smarter Planet (similar project by IBM)
- Mullins, Robert (March 15, 2010). "People Power releases SDK for wireless home energy sensors". VentureBeat.com.
- Lindsay, Greg (February 12, 2010). "HP Invents a "Central Nervous System for Earth" and Joins the Smarter Planet Sweepstakes". FastCompany.com.
- Hempl, Jessi (April 9, 2010). "Sensor overload". CNN Fortune Brainstorm Tech. Archived from the original on April 12, 2010.