Tag Archives: gravity

Sci-Fi Movie Review: Gravity

[Gravity. Released October 4, 2013. Directed by Alfonso Cuaron, Writers Alfonso Cuaron, Jonas Cuaron and George Clooney. DVD/Blu-Ray not yet released. As usual, this “post-viewing review” contains many spoilers.] As the final credits rolled on Alfonso Cuaron’s Gravity, a woman in the row in front of me stood up and swaying slightly, grabbed the back […]
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Microgravity: Overlooking the weightless elephant in the room

Astronaut Marsha Ivins (STS-98) with weightless long hair. . Credit: NASA The American space agency NASA is going through a mid-life crisis. Its future is at stake, and whatever directions are chosen they will be controversial. While NASA isn’t the be-all end-all of world space efforts, it is arguably the biggest, most visible, and iconic […]
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Science in cold fusion

On March 23-24, 2010 the American Chemical Society, one of the largest science organizations in the world, hosted a conference called New Energy Technology, during its national meeting. Fifty papers were presented. Another name for the topic of the conference was ‘cold fusion.’ In a way, I’m reluctant to bring up the topic of cold […]
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Dark matter missing after supernova blasts

Why aren’t there enough stars and dark matter in the galaxies we observe (particularly the many dwarf galaxies)? Good question. It’s been bothering cosmologists for decades. It bothers physicists too; they can’t see or measure dark matter, since whatever it is, it doesn’t affect the usual electromagnetic suspects. Yet dark matter is thought to account […]
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