Intermediate Word:  painter (a) small sailboat  (b) paint bucket with rollers  (c) multi-colored car  (d) mountain lion
Difficult Word: - fess  (a) to reveal  (b) aristocrat's diagonal sash  (c) to speak  (d) horizontal band on escutcheon

ORNL, Princeton Start Fusion Project - SpaceDaily  Knowledge gained by Oak Ridge National Laboratory researchers and colleagues through an initiative to begin this fall could answer several long-standing questions and give the United States a competitive edge in the design of future fusion power plants. The $10 million five-year Department of Energy SWIM (Simulation of Wave Interactions with Magnetohydrodynamics) project combines the talents and massive computing capabilities of ORNL with resources at Princeton Plasma Physics Laboratory and several other institutions. The goal is to study high-performance fusion plasma and perform comprehensive simulations that are essential to the development of fusion. Batchelor and colleagues plan to use computer modeling to develop a better scientific understanding of the interaction between plasma stability and radio frequency power. Such an achievement would remove one of the barriers to obtaining fusion power. 
Rice Researchers Gain New Insight Into Nanoscale Optics - SpaceDaily  Left: When small metallic nanoparticles are positioned on the metal film, they behave like tiny antennae that can transmit or receive light; it is this behavior that has been found to mimic that of electrons. Until now, the coupling of light waves into extended nanoscale structures has been poorly understood.  "We've discovered a universal relationship between the behavior of light and electrons," said study co-author Peter Nordlander, professor of physics and astronomy and of electrical and computer engineering. "We believe the relationship can be exploited to create nanoscale antennae that convert light into broadband electrical signals capable of carrying approximately 1 million times more data than existing interconnects."      

Dartmouth Researchers Build World's Smallest Mobile Robot - SpaceDaily  Left:  Bruce Donald, right, and Igor Paprotny display models of their microrobot that are 1,000 times their actual size. To illustrate how small these machines are, the white disk represents a cross section of a human hair. Photo by Joseph Mehling '69. See video: Bruce Donald discussing the microrobots.  Their extremely tiny machine is about as wide as a strand of human hair, and half the length of the period at the end of this sentence. About 200 of these could march in a line across the top of a plain M&M. Their paper describes a machine that measures 60 micrometers by 250 micrometers. It integrates power delivery, locomotion, communication, and a controllable steering system.

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