links for 2008-07-29

Tags

More like this

Can I build an ansible to communicate across the cosmos? "In this week's Ask a Physicist, we answer a question that's on everyone's mind: Can we use quantum entanglement to make a mockery of the speed of light, and create intergalactic communications devices like Le Guin's "ansible"?" (tags:…
Swans on Tea » Doomed to Fail "A thought experiment that finds a contradiction has only shown that the transforms have not been properly applied -- the author has made a math error, or made a bad assumption" (tags: physics relativity science education) Dark Matter Searches at Colliders - part…
Confessions of a Community College Dean: "It's Just a Job" vs. "We're All in This Together" "[T]here's been a fascinating exchange in blogland between Tenured Radical and Dr. Crazy. Both addressed the ways that budget issues are being discussed at their respective colleges. Stipulating upfront…
Astronomers get a sizzling weather report from a distant planet "The researchers used NASA's Spitzer Space Telescope to obtain infrared measurements of the heat emanating from the planet as it whipped behind and close to its star. In just six hours, the planet's temperature rose from 800 to 1,500…