




Mystery of the missing mini-galaxies
newscientist.com — LIKE moths about a flame, thousands of tiny satellite galaxies flutter about our Milky Way. For astronomers this is a dream scenario, fitting perfectly with the established models of how our galaxy's cosmic neighbourhood should be. Unfortunately, it's a dream in more ways than one and the reality could hardly be more different. More…

Geo-Engineering: Cloud City Con or Earth's New Hope?
thedailygreen.com — A quick-fix solution to global warming, through engineering a cooler climate, is appealing - but dangerous. We haven't begun to resolve ethical, legal, or institutional issues. Most importantly, we're not close to knowing enough to be assured that Geo-Engineering wouldn't set off dreadful unintended consequences... More…


Tweak Allows Installing Any Win7 Version from One DVD
hothardware.com — Once deleted, you'll get a menu of choices, as shown above. You can select any version of Windows 7 to install, and thus try out any version, to see if you really, really want to buy that version. Also, while the standard trial period is 30 days, just as with Windows Vista, you can extend that through the use of Microsoft's Software License Manage More…
"Are Black Holes Actually White?"
dailygalaxy.com — Stephen Hawkings great discovery was that the mysterious regions in space we call black holes radiate heat through quantum effects. Hawking has said that "black holes are not really black after all: they glow like a hot body, and the smaller they are, the more they glow." Hawking's famous theory says that the temperature of a black hole varies... More…