April 23, 2007
Smartdust Explorers and RFID Sensors
New Scientist/Space talks about using currently theoretical shape-shifting smart dust for exploring alien worlds. They describe the functionality of the motes, which is to actually float over a surface, carried by inconstant winds. They have wireless sensors that allow them to communicate with each other.
While there's no mention of RFID in the article, the fact is, these motes could likely be built with RFID technology. Consider the powder RFID chips that Hitachi just came up with. They're not quite nanotechnology, but they're close. Make them smaller, then add a small array of environmental sensors, then have the chips communicate as part of a sensor network. This would probably require some sort of base station, but that could be the space vechicle sent to the alien world.
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