Intermediate Word:  escheat (a) property reverts to the state in the absence of a legal owner  (b) to acquire through fraud  (c)   (d)  evening prayer
Difficult Word: - ruderal 
(a) highly discourteous  (b) crudely constructed  (c) narrow passageway  (d) growing in poor soil

Robo-Rodent Gets Touchy-Feely - SpaceDaily  Left:  The AMouse with its artificial whiskers.  Robots that 'feel' objects and their texture could soon become a reality thanks to the innovative and interdisciplinary research of the AMouse, or artificial mouse, project. But even more important, perhaps, are the lessons researchers learned about robot design and artificial intelligence. But even more important, perhaps, are the lessons researchers learned about robot design and artificial intelligence. Even more exciting, however, were the results from 'multimodal' sensor experiments. These use a combination of vision and touch through whisker and light or camera sensors. The mix of sensory inputs revealed how different data sources affect each other and how they combine to provide a clearer perception of any particular object. Some robots even manifested emergent behaviour.
Strengthening The Glow Of Nanotube Luminescence - SpaceDaily  Nanotubes have proven to be very inefficient phosphors, absorbing a thousand photons for every photon that they emit (a ratio called quantum efficiency). Now, however, the latest research into nanotube luminescence has found that there is substantial room for increasing the efficiency of these infinitesimal light sources: "We were expecting to see individual differences of only a few percent, so we were very surprised to find that some nanotubes are a 1,000 percent more efficient than others," says Tobias Hertel, associate professor of physics at Vanderbilt University who conducted the study with two German research groups.  

NASA Ames Leads Robotic Lunar Exploration Program - SpaceDaily  Left:  Launched on Jan. 6, 1998, from Cape Canaveral Air Station, Fla., Lunar Prospector reached the moon in four days. The mission was the last NASA voyage to the Moon.  Returning astronauts to the moon will start with robotic missions between 2008 and 2011 to study, map and learn about the lunar surface. These early missions will help determine lunar landing sites and whether resources, such as oxygen, hydrogen and metals, are available for use in NASA's long-term lunar exploration objectives. The assignment marks a rebirth of robotic space flight work at NASA Ames, which has a history of spearheading unmanned space launches.    

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