From Nextbigfuture there is
Phil Plait of Bad Astronomy also seems pretty excited about Kepler coming online, and with good cause. As he explains, the results from the calibration and testing indicate that if there are Earth-like planets in the direction it’s pointed, Kepler is going to find them.
Crowlspace talks about the Vasimr plasma rocket and its high power needs. Adam Crowl looks at Vapor-Gas Core Nuclear Power Systems with Superconducting Magnets.