Star Wars-Like Holograms
Forget about 3-D movies and television, says the Christian Science Monitor. 3-D holograms, once seen only in science-fiction movies like Star Wars, are swiftly becoming a reality.
The current issue of the science journal Nature features an extensive report from a group of Arizona researchers who succeeded in creating a real-time image – one that can be viewed without glasses—from multiple angles. (Just like in 'Star Wars'!) The image, the researchers said, is recorded using a battery of cameras. The more cameras that are used, the more refined the final holographic presentation will appear.That information is then encoded onto a fast-pulsed laser beam, which interferes with another beam that serves as a reference.
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A completely unexpected discovery beneath the ice.
- Scientists find remains of a tardigrade and crustaceans in a deep, frozen Antarctic lake.
- The creatures' origin is unknown, and further study is ongoing.
- Biology speaks up about Antarctica's history.
Jeff Bezos, the founder of Amazon.com, explains his plan for success.
- Jeff Bezos had a clear vision for Amazon.com from the start.
- He was inspired by a statistic he learned while working at a hedge fund: In the '90s, web usage was growing at 2,300% a year.
- Bezos explains why books, in particular, make for a perfect item to sell on the internet.
It's one factor that can help explain the religiosity gap.
- Sociologists have long observed a gap between the religiosity of men and women.
- A recent study used data from several national surveys to compare religiosity, risk-taking preferences and demographic information among more than 20,000 American adolescents.
- The results suggest that risk-taking preferences might partly explain the gender differences in religiosity.
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