Uneven expansion of space, caused by variations in the density of matter on an epic scale, could produce the effects that astronomers conventionally attribute to dark energy. (via Does Dark Energy Really Exist?: Scientific American
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Skeptical Inquiry
Looking at the world through the lenses of reason and science.
May 18
May 17
“ Two physicists…have an idea that can turn travelling [sic] at the speed of light from science fiction to real science, just like the warp speed at which spacecraft travel in the fictional TV and film series ‘Star Trek’.
“ But the real surprise was that acupuncture was effective even when the treatment didn’t break the skin. “It’s not necessary to penetrate the skin. There’s no advantage to tailoring and no advantage to using a needle. Why?” Cherkin said. “It throws open the question of how does this work.
Apr 25
Nice example of a descriptive map, and an interesting story.
Apr 22
» Most Distant Detection of Water in the Universe | SpaceRef - Your Space Reference
Evidence that water existed more than 11 billion years ago.
Apr 11
» Indexed
Very clever blog.
Mar 24
» Scientist may have cold fusion breakthrough | Chronicle | Chron.com - Houston Chronicle
I wonder how much of this latest result is to attract funding and much it’s a genuine breakthrough.
Feb 04
» Next Big Future: Cambridge Making Carbon Nanotubes Ribbons at Centimeter Lengths with 9 Gpa Strength, Which is Four Times Stronger than Kevlar
Carbon fiber research producing fibers ten times longer in just two years, without decrease in strength. The strength is good for skyhooks and borderline for space elevators. Next steps appear to be spinning cables from the material and increasing production throughput.
Feb 01
